Environmental Economics Quiz
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Questions and Answers

What is the primary focus of stationary-source air pollution?

  • Air pollution generated by factories and plants (correct)
  • Air pollution generated by mobile sources
  • Air pollution from natural sources like volcanoes
  • Air pollution from household appliances

Which legislation significantly strengthened the federal government's role in regulating air pollution in 1970?

  • Clean Water Act
  • National Environmental Policy Act
  • Resource Conservation and Recovery Act
  • Clean Air Act Amendments (correct)

What do the National Ambient Air Quality Standards (NAAQS) establish?

  • Emissions standards for mobile sources
  • Penalties for exceeding pollution limits
  • Standards for the ambient concentration of pollutants (correct)
  • Funding sources for pollution control technologies

Which of the following is NOT considered a criteria pollutant under the Clean Air Act?

<p>Carbon monoxide (C)</p> Signup and view all the answers

What was a major reason for the federal government assuming control over air pollution regulation in 1970?

<p>Ineffectiveness of state regulations at limiting emissions (B)</p> Signup and view all the answers

Which type of pollution source is contrasted with stationary sources in the context of air pollution?

<p>Mobile sources (B)</p> Signup and view all the answers

How many major regulated stationary air pollution sources are estimated to exist in the U.S.?

<p>27,000 (D)</p> Signup and view all the answers

Which of the following pollutants is NOT mentioned as a criteria pollutant?

<p>Carbon Dioxide (CO2) (C)</p> Signup and view all the answers

What is the purpose of setting short-term and long-term standards in the context of air quality management?

<p>To protect the most vulnerable citizens. (C)</p> Signup and view all the answers

What happens when an air-control region is designated as 'nonattainment'?

<p>Strict pollution controls are imposed on pollution sources. (B)</p> Signup and view all the answers

Which of the following describes a limitation in the EPA's monitoring process?

<p>It only monitors every 1 in 6 days. (D)</p> Signup and view all the answers

Why might the implementation of BACT under the New Source Review lead to perverse incentives?

<p>Facilities may avoid upgrades to evade high costs. (C)</p> Signup and view all the answers

What is a State Implementation Plan (SIP) required to outline?

<p>How each region will achieve ambient air standards. (D)</p> Signup and view all the answers

What does the term 'spatial gaming' refer to in the context of air quality monitoring?

<p>Situating monitoring stations in low pollution areas to improve results. (D)</p> Signup and view all the answers

What is the implication of pollution levels dropping on monitoring days?

<p>It raises questions about the reliability of monitoring methods. (D)</p> Signup and view all the answers

What is one consequence of a region being in nonattainment under the Clean Air Act?

<p>Federal funding may be withheld from the state. (C)</p> Signup and view all the answers

What is the main assumption regarding threshold pollutants?

<p>They do not cause any damage below a certain level. (B)</p> Signup and view all the answers

Which factor is NOT considered to determine the efficiency of CAC regulations?

<p>Economic growth rates (D)</p> Signup and view all the answers

What is the primary focus of the CAAA regarding air quality regulation?

<p>Outdoor air concentrations. (A)</p> Signup and view all the answers

Why might it be challenging to determine if past policies like the CAAA were efficient?

<p>There is a strict prohibition on considering costs. (D)</p> Signup and view all the answers

What issue arises from the application of uniform standards under the CAAA?

<p>Geographic variations in marginal social costs are ignored. (D)</p> Signup and view all the answers

How does timing impact pollution emissions according to the discussed concepts?

<p>Weather conditions change the impact of emissions timing. (A)</p> Signup and view all the answers

What was one of the challenges noted regarding the level of NAAQS?

<p>It omits cost considerations from efficiency analysis. (B)</p> Signup and view all the answers

What potential flaw exists in the concept of a 'health threshold' for pollutants?

<p>Recent evidence indicates damages may exist at lower levels. (B)</p> Signup and view all the answers

What was one of the main political issues with the RECLAIM smog trading program?

<p>The initial caps were set too high, rendering them meaningless. (D)</p> Signup and view all the answers

What occurs when the permit price in the RECLAIM program becomes excessively high?

<p>A safety valve is triggered to relieve pressure. (D)</p> Signup and view all the answers

What is the primary function of the Japanese emissions charge?

<p>To tax polluters and compensate victims of pollution. (A)</p> Signup and view all the answers

What significant change did firms make in response to local CAAA standards?

<p>They built taller smokestacks to disperse pollution. (D)</p> Signup and view all the answers

How was the tax on emissions in Japan structured in relation to pollution damage claims?

<p>It varies to ensure it covers the damage costs. (B)</p> Signup and view all the answers

What distinguishes local pollution from regional pollution?

<p>Regional pollution travels longer distances in the air. (A)</p> Signup and view all the answers

What regulatory approach did the Clean Air Act Amendments of 1990 aim to improve?

<p>Command and control regulation. (C)</p> Signup and view all the answers

What is the phrase commonly associated with firms' response to the Clean Air Act Amendments?

<p>'Dilution is the solution.' (A)</p> Signup and view all the answers

What was the main issue identified with the Costs of CAC compared to a least-cost alternative?

<p>They showed substantial cost overruns in several studies. (A)</p> Signup and view all the answers

From the data provided, which pollutant saw the largest percentage reduction between 2000 and 2010?

<p>SO2 (C)</p> Signup and view all the answers

What are some of the key advantages of market-based approaches to pollution control?

<p>They shift the pollution control burden to firms and allow for flexibility. (A)</p> Signup and view all the answers

In which year did California's RECLAIM program start its operations?

<p>1994 (D)</p> Signup and view all the answers

What is the main goal of the RECLAIM program in terms of emissions?

<p>To cut NO and SO emissions by 80%. (D)</p> Signup and view all the answers

What type of control do market-based approaches allow for beyond just compliance?

<p>Innovation in pollution prevention. (D)</p> Signup and view all the answers

What was the percentage reduction of CO pollution from 1980 to 2010?

<p>82% (D)</p> Signup and view all the answers

What limits the efficiency of CAC compared to market-based strategies?

<p>CAC results in high informational overhead and uniform standards. (C)</p> Signup and view all the answers

What was the initial focus of the regulations addressing acid rain?

<p>Sulfur dioxide (SO2) (B)</p> Signup and view all the answers

What cost-effective solution did the Congressional Budget Office (CBO) suggest for reducing sulfur dioxide emissions?

<p>Implementing an emissions tax (B)</p> Signup and view all the answers

What was the cap set for sulfur dioxide emissions under the Acid Rain Program by 2010?

<p>10 million tons relative to 1980 levels (C)</p> Signup and view all the answers

What was a significant outcome of the Acid Rain Program between 1990 and 2004?

<p>Emissions decreased by 36% (B)</p> Signup and view all the answers

What unexpected factor helped reduce sulfur dioxide emissions under the Acid Rain Program?

<p>Railroad deregulation (B)</p> Signup and view all the answers

What happened with the permit prices for emissions after the Cross-State Air Pollution Rule was passed?

<p>Permit price became approximately $0 (A)</p> Signup and view all the answers

Which political administration was involved in creating and passing the Acid Rain Program?

<p>Republican administrations (C)</p> Signup and view all the answers

What irony is noted in the accomplishments of the Acid Rain Program regarding health considerations?

<p>Estimated benefits largely exceeded original assessments (C)</p> Signup and view all the answers

What is one consequence of low transport costs in relation to private transport?

<p>Excessive number of vehicles leading to more pollution (B)</p> Signup and view all the answers

Which element was included in the Clean Air Act Amendments of 1970 to address emissions standards?

<p>Revocation of certificates for vehicles not conforming to standards (A)</p> Signup and view all the answers

Which aspect of the U.S. approach to mobile-source pollution is crucial for enforcement?

<p>Assembly-line testing of vehicles for emission standards (B)</p> Signup and view all the answers

What was the primary benefit of the federal standards for emissions established in the Clean Air Act?

<p>Synchronized standards across different states (D)</p> Signup and view all the answers

What does the Lead Phaseout Program primarily target?

<p>Elimination of lead from gasoline as a fuel additive (C)</p> Signup and view all the answers

What was the primary goal of establishing CAFE standards?

<p>To enhance fuel efficiency and reduce emissions (B)</p> Signup and view all the answers

By what year did the United States fully phase out leaded gasoline?

<p>1987 (B)</p> Signup and view all the answers

What factor disproportionately affects the penalties for not meeting CAFE standards?

<p>The number of vehicles produced (B)</p> Signup and view all the answers

What does the term 'MPG illusion' refer to?

<p>The false belief that higher MPG always leads to significant savings (A)</p> Signup and view all the answers

What was the factor by which EPA's CBA analysis suggested the benefits of lead phase-out would outweigh costs?

<p>14 (A)</p> Signup and view all the answers

Which year marked the implementation of CAFE standards?

<p>1978 (B)</p> Signup and view all the answers

What type of system was used to phase out allowances for producing leaded gasoline?

<p>A tradeable permit system (D)</p> Signup and view all the answers

Which of the following statements is true regarding the ban on leaded gasoline in Europe?

<p>Some eastern European countries and Russia still allow leaded gasoline. (A)</p> Signup and view all the answers

Which aspect makes mobile air pollution sources more challenging to regulate compared to stationary sources?

<p>Their locations are unpredictable over time. (D)</p> Signup and view all the answers

What is a consequence of allowing for an implicit subsidy such as free parking?

<p>It increases the social costs associated with driving. (D)</p> Signup and view all the answers

How do mobile sources contribute to a growing concern regarding pollution emissions?

<p>They are responsible for a large share of CO and NO2 pollution. (C)</p> Signup and view all the answers

What is the difficulty noted in regulating emissions from mobile sources compared to manufacturers?

<p>New vehicles take a long time to significantly impact overall emissions. (A)</p> Signup and view all the answers

In the context of mobile source air pollution, what aspect does the concept of 'stock vs. flow' refer to?

<p>The total number of vehicles versus the rate of pollution produced. (B)</p> Signup and view all the answers

What is a primary issue with using miles per gallon (MPG) as a measure of fuel efficiency?

<p>It assumes a linear relationship between MPG and fuel consumption. (A)</p> Signup and view all the answers

What is one major limitation of fuel economy standards compared to a fuel tax?

<p>They focus only on new vehicles, delaying efficiency improvements. (A)</p> Signup and view all the answers

What is a significant challenge faced by those trying to regulate mobile source pollution in urban areas?

<p>Pollution concentrations can spike during traffic jams. (A)</p> Signup and view all the answers

What does the divergence between private marginal costs (P MC) and social marginal costs (SM C) indicate as traffic increases?

<p>There are external costs that road users do not account for. (A)</p> Signup and view all the answers

Which factor diminishes the gains obtained from fuel efficiency improvements?

<p>The 'rebound effect' from increased driving. (D)</p> Signup and view all the answers

Which of the following best describes the challenge of emissions from older mobile vehicles compared to new ones?

<p>New emissions standards will impact only new vehicles. (D)</p> Signup and view all the answers

What external benefit is associated with CAFE standards?

<p>Reduced emissions and decreased foreign oil dependence. (C)</p> Signup and view all the answers

What should not be overlooked when considering energy independence?

<p>The potential benefits of international trade. (A)</p> Signup and view all the answers

Why might a flat gas tax be deemed more effective than fuel economy standards?

<p>It can achieve greater reductions in gasoline consumption at lower costs. (D)</p> Signup and view all the answers

Which vehicle efficiency measure preserves a correct linear relationship in other countries?

<p>Litres per 100 kilometers. (C)</p> Signup and view all the answers

What is a significant problem with consumer preferences for fuel economy options?

<p>Automakers do not meet the demand for better fuel economy options. (D)</p> Signup and view all the answers

What is the estimated spending per incremental electric vehicle sold under the IRA?

<p>$23,000 to $32,000 (C)</p> Signup and view all the answers

What was a significant limitation placed on the subsidies for electric vehicles under the Inflation Reduction Act?

<p>Restricted to North American assembled cars (D)</p> Signup and view all the answers

Which statement best describes the behavioral response to EV subsidies according to Allcott et al. (2024)?

<p>The majority of EV purchases were made without any subsidies. (A)</p> Signup and view all the answers

What is a proposed first-best policy regarding the taxation of vehicles?

<p>Tax all vehicles due to their negative externalities (B)</p> Signup and view all the answers

Which factor contributes to the heterogeneity in the benefits of electric vehicles as mentioned in the analysis?

<p>Differences in vehicle specifications and subsidies (C)</p> Signup and view all the answers

What important effect does the 'rebound effect' refer to in the context of energy efficiency?

<p>Increased overall energy consumption despite efficiency gains (D)</p> Signup and view all the answers

Why is the political feasibility of taxing gasoline vehicles considered problematic?

<p>There are strong lobbying efforts against increasing fuel taxes. (B)</p> Signup and view all the answers

What was a notable change introduced by the Energy Improvement and Extension Act regarding electric vehicle purchases?

<p>Creation of EV tax credits capped at $7,500 (C)</p> Signup and view all the answers

What was a significant issue associated with biofuels policy during the 2000s?

<p>Environmental impacts of crop monoculture (C)</p> Signup and view all the answers

Which approach is highlighted as more effective than Fuel taxes for managing road congestion?

<p>Congestion pricing (B)</p> Signup and view all the answers

What is a potential effect of the 'parking cash-outs' policy?

<p>Increase in driving to work (C)</p> Signup and view all the answers

What was the consequence of Brazil's 2009 ethanol crisis on ethanol usage?

<p>Regular use of ethanol dropped sharply (C)</p> Signup and view all the answers

What is the concept behind feebates in vehicle emission policies?

<p>Combining taxes and subsidies based on emissions (A)</p> Signup and view all the answers

What does the term 'mobile-source pollution' primarily refer to?

<p>Pollution from vehicles and airplanes (B)</p> Signup and view all the answers

Which pricing strategy employs fees based on road congestion levels?

<p>Congestion pricing (D)</p> Signup and view all the answers

What broader impact does road pricing primarily aim to achieve?

<p>Internalize the social cost of road transport (B)</p> Signup and view all the answers

What does the social cost of carbon (SCC) refer to?

<p>The present value cost of one extra ton of carbon (A)</p> Signup and view all the answers

What growth rate does Stern choose for the economy's per capita growth rate?

<p>1.3% (D)</p> Signup and view all the answers

Which of the following best describes the discount rate in the context of climate change economics?

<p>The rate at which future costs are evaluated in today's terms (D)</p> Signup and view all the answers

What is a primary challenge in addressing climate change as a public bad?

<p>The scale and scope of the problem making implementation difficult (D)</p> Signup and view all the answers

What discount rate does Nordhaus argue is more appropriate compared to Stern's choice?

<p>5% (C)</p> Signup and view all the answers

How does opportunity cost relate to the economic aspects of climate change?

<p>It reflects the potential benefits lost due to climate inaction (D)</p> Signup and view all the answers

According to Stern, what is the economic cost of climate change expressed as a percentage cut in per capita consumption?

<p>20% (C)</p> Signup and view all the answers

What significant change in the estimate of the social cost of carbon (SCC) does Nordhaus propose in 2017?

<p>From $10 to $31 (C)</p> Signup and view all the answers

What role do Integrated Assessment Models (IAMs) play in climate change economics?

<p>They integrate economic and climate systems to estimate costs (C)</p> Signup and view all the answers

Which of the following statements accurately reflects the miracle of compound interest in policy evaluation?

<p>Small differences in discount rates can lead to significant changes in present value calculations (B)</p> Signup and view all the answers

What model did Nordhaus develop that integrates climate and economic dynamics?

<p>DICE (A)</p> Signup and view all the answers

What is the primary focus of Weitzman's argument regarding Stern's policy?

<p>Support rapid action without a low discount rate (C)</p> Signup and view all the answers

What primary factor affects the calculation of the social cost of carbon?

<p>Future damages caused by current carbon emissions (A)</p> Signup and view all the answers

Why are economic theories often insufficient in addressing climate change effectively?

<p>They primarily focus on short-term gains rather than long-term sustainability (D)</p> Signup and view all the answers

What term describes the phenomenon of overvaluing distant costs due to a low discount rate, as pointed out by Nordhaus?

<p>Present Value Bias (C)</p> Signup and view all the answers

What is the main argument for a low discount rate in welfare economics as highlighted in the discussion?

<p>It values future generations' welfare higher. (A)</p> Signup and view all the answers

What is a potential consequence of using a high discount rate in environmental policy decisions?

<p>It can lead to underestimating future environmental costs. (B)</p> Signup and view all the answers

What was the main conclusion of the Stern Review regarding business-as-usual (BAU) practices?

<p>They would lead to irreversible environmental changes. (A)</p> Signup and view all the answers

When considering the opportunity cost of capital, what is the implication of spending on environmental abatement?

<p>Investments elsewhere could yield higher returns. (B)</p> Signup and view all the answers

According to the Stern Review, what stabilization target is suggested to avoid catastrophic climate change?

<p>500-550 ppmv (A)</p> Signup and view all the answers

What does significant disagreement over discount rates indicate in climate change economics?

<p>The importance of short-term versus long-term planning. (A)</p> Signup and view all the answers

Which element could cause a conflict when determining the correct discount rate in environmental policy?

<p>The uncertainty of future environmental changes. (B)</p> Signup and view all the answers

What is a potential outcome for poorer countries as highlighted by the Stern Review?

<p>They will suffer the most severe impacts of climate change. (B)</p> Signup and view all the answers

According to the Stern Review, what is the estimated annual cost of achieving stabilization at 500-550 ppmv?

<p>1% of GDP. (C)</p> Signup and view all the answers

What does the Ramsey Rule indicate about the components that influence the discount rate?

<p>It incorporates time preference and future consumption growth. (A)</p> Signup and view all the answers

Which choice of inputs used by Stern leads to a notably low discount rate?

<p>δ = 0.001, η = 1, g = 0.013 (A)</p> Signup and view all the answers

Why does Stern argue for a low pure rate of time preference (δ)?

<p>He believes it is ethically indefensible to prioritize earlier enjoyment. (D)</p> Signup and view all the answers

What does the elasticity of the marginal utility of consumption (η) represent in Stern's framework?

<p>The change in value of consumption gain as wealth increases. (B)</p> Signup and view all the answers

Which economist suggested that the pure rate of time preference should reflect observed market conditions?

<p>Dasgupta (A)</p> Signup and view all the answers

What is one of the implications of Stern's choice of a unitary elasticity (η = 1)?

<p>Poor individuals gain more utility from consumption than wealthy individuals. (C)</p> Signup and view all the answers

What main criticism do some economists have regarding Stern's ethical approach to discount rates?

<p>It ignores the actual market rates of return. (D)</p> Signup and view all the answers

What assumption is made about wealth when discussing the transfer of one dollar from a rich person to a poor person?

<p>Bob experiences a significantly larger utility gain than Al's loss. (C)</p> Signup and view all the answers

What is the primary objective of the Climate Adaptive Response Estimation (CARE)?

<p>To explain variations in response functions due to observables (D)</p> Signup and view all the answers

Which assumption is made regarding warmer locations in the context of future climate response?

<p>They will guide predictions for all global locations (D)</p> Signup and view all the answers

What does adaptation in the context of climate change primarily involve?

<p>Changing behaviors or systems to cope with climate impact (B)</p> Signup and view all the answers

What condition is suggested as a necessity for achieving a 2 °C target under the Paris Agreement?

<p>Assumptions about heroic changes in global behavior (A)</p> Signup and view all the answers

Which aspect of climate impacts is noted to still require further research?

<p>Projections for the developing world (D)</p> Signup and view all the answers

What is meant by 'variability' in climate response functions?

<p>Responses change based on observable characteristics (C)</p> Signup and view all the answers

How does adaptation relate to individual and social preferences?

<p>It varies based on differing risk preferences (D)</p> Signup and view all the answers

What sort of projections are currently considered advanced according to recent research?

<p>Detailed assessments that include geographic variation (D)</p> Signup and view all the answers

What is the primary characteristic that differentiates adaptation from mitigation in climate change strategies?

<p>Adaptation is private and local, whereas mitigation is public and global. (B)</p> Signup and view all the answers

Which of the following statements about the Social Cost of Carbon (SCC) is accurate?

<p>SCC estimates the present value cost of carbon units emitted over a century. (C)</p> Signup and view all the answers

What factor significantly influences the optimal policy for climate action, according to the discussion?

<p>The discount rate. (A)</p> Signup and view all the answers

How has the perception of climate change impacts on agriculture evolved over time?

<p>Initially considered a net benefit, now believed to be a net loss. (A)</p> Signup and view all the answers

What controversy followed The Stern Review regarding its policy recommendations?

<p>Disagreement over the high discount rate used in analysis. (A)</p> Signup and view all the answers

Why is long-lived infrastructure considered a significant exception in climate adaptation?

<p>It involves high levels of uncertainty. (B)</p> Signup and view all the answers

Which aspect besides the discount rate significantly affects climate economics?

<p>Damage estimates. (D)</p> Signup and view all the answers

What has been a key trend in scientific understanding regarding climate impacts?

<p>Progress shows increased pessimism about climate change impacts. (C)</p> Signup and view all the answers

Which ruling significantly limits Clean Water Act (CWA) jurisdiction?

<p>Sackett 2023 case (C)</p> Signup and view all the answers

What major implication does the EPA face regarding interpretations of CWA protections?

<p>Uncertainty in the broad implications of different interpretations (A)</p> Signup and view all the answers

What is the primary focus of the Lead and Copper Rule Improvements?

<p>To replace lead pipes within a decade (C)</p> Signup and view all the answers

What did Greenhill et al (2024) utilize to assess CWA protections?

<p>Machine learning algorithms (C)</p> Signup and view all the answers

What is one key requirement established under the PFAS rule regarding drinking water?

<p>Mandatory monitoring and reporting of PFAS levels (C)</p> Signup and view all the answers

Which of the following describes an outcome of the Steam Electric Effluent Limitations?

<p>Stricter standards for wastewater contaminants (C)</p> Signup and view all the answers

Under the Clean Water Act (CWA), what is the liability limit for firms that discharge oil and are found negligent?

<p>No limit on liability (A)</p> Signup and view all the answers

What was a significant legislative action related to drinking water standards implemented in 1972?

<p>Safe Drinking Water Act (D)</p> Signup and view all the answers

What is the goal of the Clean Water Act regarding pollutants?

<p>To completely eliminate all pollutants by 1985 (A)</p> Signup and view all the answers

Which aspect of ocean pollution is not currently governed by specific laws?

<p>Ocean trash (D)</p> Signup and view all the answers

Which environmental impact is associated with heavy metals like mercury?

<p>They can bio-accumulate in aquatic organisms. (C)</p> Signup and view all the answers

What was a significant feature of the Clean Water Act established in the 1972 amendments?

<p>It mandated strict technology standards for all dischargers. (B)</p> Signup and view all the answers

What challenge was faced in the enforcement of the 1899 Refuse Act?

<p>It faced significant legal challenges that weakened its authority. (B)</p> Signup and view all the answers

Which statement accurately reflects the purpose of the 1965 Water Quality Act?

<p>It required states to file implementation plans for effluent quality standards. (B)</p> Signup and view all the answers

What was one weakness of the Water Pollution Control Act of 1948?

<p>It left most regulatory authority with the states without strong federal enforcement. (B)</p> Signup and view all the answers

What ambiguity has persisted regarding the Clean Water Act (CWA)?

<p>Fuzzy definitions of what constitutes 'Waters of the US.' (B)</p> Signup and view all the answers

Which of these conditions was NOT established by the Clean Water Act?

<p>Regular federal inspections of all water quality standards. (C)</p> Signup and view all the answers

Which major issue arose from the enforcement of the Clean Water Act's regulations?

<p>There was a delay in enforcing stringent regulations for certain pollutants. (A)</p> Signup and view all the answers

What distinguishes surface water from groundwater in terms of pollution regulation?

<p>Groundwater has a higher potential for chemical contamination. (A)</p> Signup and view all the answers

What is a key characteristic of nonpoint sources of water pollution?

<p>They are difficult to regulate due to unpredictability. (A)</p> Signup and view all the answers

What effect does organic material pollution have on water bodies?

<p>It leads to a decrease in dissolved oxygen for aquatic life. (A)</p> Signup and view all the answers

How do stock pollutants differ from fund pollutants?

<p>Fund pollutants can remain as long as there is assimilative capacity. (A)</p> Signup and view all the answers

What is a primary consequence of eutrophication in water bodies?

<p>Depletes oxygen due to algal blooms decay. (C)</p> Signup and view all the answers

What is a significant challenge in regulating ocean pollution caused by oil spills?

<p>They have cascading detrimental effects throughout ecosystems. (C)</p> Signup and view all the answers

Which of the following statements about thermal pollutants is correct?

<p>They are caused by the injection of heat to water bodies. (A)</p> Signup and view all the answers

What role does the replenishment rate play in groundwater contamination?

<p>Lower rates allow pollutants to accumulate longer. (A)</p> Signup and view all the answers

Which of the following is NOT a type of pollutant mentioned?

<p>Chemical inhibitors (A)</p> Signup and view all the answers

What is a critical reason for needing a different policy approach for water pollution compared to air pollution?

<p>Recreational benefits associated with water are more significant. (B)</p> Signup and view all the answers

What was the primary finding of Keiser and Shapiro (2019) regarding pollution concentrations in U.S. rivers?

<p>Pollution concentrations have fallen substantially. (A)</p> Signup and view all the answers

What is a major financial implication of achieving 100% pollutant removal compared to 85-90% removal?

<p>$317 billion (A)</p> Signup and view all the answers

What is the estimated total cost associated with the Clean Water Act according to the findings?

<p>Over $1 trillion (A)</p> Signup and view all the answers

Why might the application of uniform effluent standards be considered inefficient?

<p>It does not vary by pollutant location and type. (C)</p> Signup and view all the answers

What does the conclusion about U.S. water pollution regulation suggest regarding mandatory technology standards?

<p>They do not provide clear benefits compared to air quality regulations. (B)</p> Signup and view all the answers

How does Keiser and Shapiro's analysis assess the benefits of the Clean Water Act relative to its costs?

<p>Benefits are lower than costs, but data is unclear. (A)</p> Signup and view all the answers

What issue was revealed in the 1977 audit by the EPA regarding wastewater treatment plants?

<p>Only half of the plants performed adequately. (C)</p> Signup and view all the answers

What strategy is suggested in the conclusion for addressing water pollution more effectively?

<p>Adopt cost-effective strategies balancing nonpoint and point source costs. (B)</p> Signup and view all the answers

What is a key characteristic of watershed-based trading programs?

<p>They allow polluters to purchase reductions from others. (C)</p> Signup and view all the answers

Under what condition is forcing owners to pay for cleanups from oil spills considered efficient?

<p>When the penalty equals the actual damage with certainty. (B)</p> Signup and view all the answers

What major flaw was identified in the subsidies for municipal wastewater treatment plants?

<p>There was no incentive to operate and maintain the plants properly. (C)</p> Signup and view all the answers

What was the general outcome from the standards set for the 60,000 sources by the EPA?

<p>They resulted in highly variable compliance results. (A)</p> Signup and view all the answers

What aspect of pollutant types is often neglected in the process of remediation?

<p>Certain pollutants may pose no threat in low quantities. (A)</p> Signup and view all the answers

What is the main claim of the Pollution Haven Hypothesis (PHH)?

<p>Trade has led firms to move to countries with lax environmental regulation. (C)</p> Signup and view all the answers

What does the Environmental Kuznets Curve suggest about the relationship between income and environmental degradation?

<p>There is an inverse-U relationship between per capita income and environmental degradation. (D)</p> Signup and view all the answers

Which factor primarily drives the trade-induced composition effect according to the concept of comparative advantage?

<p>A country’s specialization in producing pollution-intensive goods. (D)</p> Signup and view all the answers

Which effect commonly influences the impact of trade on the environment according to recent findings?

<p>Technique effect (A)</p> Signup and view all the answers

Which effect is considered the most significant in relation to emissions according to empirical evidence?

<p>Technique effect (A)</p> Signup and view all the answers

How does an increase in the stringency of environmental regulation affect exports?

<p>It decreases exports of dirty goods. (D)</p> Signup and view all the answers

What aspect of industry is highlighted as having lower trade barriers in relation to environmental impact?

<p>Upstream industries (D)</p> Signup and view all the answers

What outcome does the scale effect predict in terms of emissions as a country's economic activity increases?

<p>Emissions will increase due to higher production levels. (C)</p> Signup and view all the answers

Which statement accurately describes the Pollution Haven Hypothesis?

<p>Countries with stringent regulations will see more pollution-intensive industries relocate elsewhere. (C)</p> Signup and view all the answers

What implication does lower tariffs on dirty industries have on carbon emissions?

<p>They serve as an implicit subsidy for carbon emissions. (A)</p> Signup and view all the answers

What factor might determine the stringency of environmental policy in a country?

<p>Exposure of an industry to outsourcing. (A)</p> Signup and view all the answers

What does the technique effect refer to in the context of emissions and economic growth?

<p>The improvement in production processes that reduce emissions per unit of output. (A)</p> Signup and view all the answers

In which phase of the EKC does increasing per capita income first lead to worsening environmental quality?

<p>During the initial phase of growth. (D)</p> Signup and view all the answers

Which type of trade policy observation did Shapiro (2021) find regarding barriers on clean and dirty industries?

<p>Lower trade barriers on dirty industries. (A)</p> Signup and view all the answers

How does trade liberalization affect countries with a comparative advantage in pollution-intensive goods?

<p>It raises the relative price of pollution-intensive goods. (C)</p> Signup and view all the answers

What is suggested as a potential future concern regarding the Pollution Haven Hypothesis?

<p>The Pollution Haven Effect may become more pronounced. (C)</p> Signup and view all the answers

What does the Environmental Kuznets Curve (EKC) suggest about the relationship between economic growth and environmental quality?

<p>Income growth can initially harm the environment but may improve it at higher income levels. (B)</p> Signup and view all the answers

Which effect of comparative advantage results in increased production and potentially higher global emissions while keeping industry composition constant?

<p>Scale effect (C)</p> Signup and view all the answers

What is one outcome of the Technique effect as it relates to trade?

<p>Greater public demand for environmental quality leads to stricter regulations. (D)</p> Signup and view all the answers

How does the Composition effect influence environmental outcomes in a country?

<p>It alters the mix of clean and dirty industries present in the economy. (B)</p> Signup and view all the answers

Which aspect of the Scale effect is directly linked to economic activity and resource usage?

<p>Global output increases resulting in greater resource depletion. (A)</p> Signup and view all the answers

A belief in the Technique effect suggests that which of the following statements is true?

<p>Trade stimulates greater environmental improvements as incomes rise. (D)</p> Signup and view all the answers

What ultimate impact does the Composition effect have on the environment when considering trade patterns?

<p>It can result in an increase in industries that are less environmentally friendly. (D)</p> Signup and view all the answers

Which of the following is NOT a core aspect of how comparative advantage impacts the environment?

<p>Economic stability effect (B)</p> Signup and view all the answers

What does procedural justice in environmental issues primarily refer to?

<p>The ability to participate in decision-making (A)</p> Signup and view all the answers

Which factor is indicated to correlate with lease terms and compensation for shale gas extraction?

<p>Race and language (B)</p> Signup and view all the answers

How do governments influence pollution distribution?

<p>Through legislation and enforcement (D)</p> Signup and view all the answers

What was found regarding enforcement penalties for polluters near communities of color?

<p>Penalties are less stringent (A)</p> Signup and view all the answers

What mechanism leads to pollution inequality according to Hausman & Stolper?

<p>Hidden pollution factors (B)</p> Signup and view all the answers

Which factor was identified as an important determinant of regulatory stringency in polluted areas?

<p>Collective action by communities (C)</p> Signup and view all the answers

What results from discrimination by landlords against minority applicants in low pollution areas?

<p>Reduced access to affordable housing (B)</p> Signup and view all the answers

Which of the following is a proposed solution to reduce inequality in environmental exposure?

<p>Enhancing community participation in environmental decisions (A)</p> Signup and view all the answers

What is the primary impact of the Clean Air Act (CAA) on the PM 2.5 exposure gap between black and white communities?

<p>The CAA reduced the gap in PM 2.5 exposure. (C)</p> Signup and view all the answers

How can market-based policies exacerbate environmental justice (EJ) concerns?

<p>By allowing market concentration near minority neighborhoods. (A)</p> Signup and view all the answers

What goal did California's Assembly Bill 32 establish for GHG emissions?

<p>Return to 1990 levels by 2020. (D)</p> Signup and view all the answers

What outcome was found regarding emissions reductions and neighborhood demographics in the RECLAIM program?

<p>There was no correlation between neighborhood demographics and emissions reductions. (D)</p> Signup and view all the answers

What conclusion can be drawn about the EJ gap after implementing Cap and Trade (C&T) policies?

<p>C&amp;T policies may reverse EJ gap growth. (B)</p> Signup and view all the answers

What is a systematic issue faced by disadvantaged communities regarding pollution exposure?

<p>They systematically face greater exposure to pollution. (D)</p> Signup and view all the answers

What should be considered alongside traditional cost-benefit analysis when evaluating environmental policies?

<p>The environmental justice implications. (B)</p> Signup and view all the answers

What challenge is associated with conducting causal inference in evaluating environmental policies?

<p>It is difficult to isolate impacts without a proper framework. (B)</p> Signup and view all the answers

What is a potential implication of environmental gentrification?

<p>Higher housing prices due to local cleaning efforts (B)</p> Signup and view all the answers

How might Tiebout's sorting theory contribute to environmental inequities?

<p>By leading wealthier households to relocate away from polluted areas (B)</p> Signup and view all the answers

What factors are considered in Coasean bargaining regarding pollution?

<p>Households' tolerance for pollution and firms' preferences (C)</p> Signup and view all the answers

Which of the following describes a challenge in empirically testing the reasons for environmental injustice in communities?

<p>Determining whether pollution sites attract low-income households or vice versa (C)</p> Signup and view all the answers

What might be a common misconception regarding the relationship between income and exposure to pollution?

<p>Income does not affect the decision on where to site polluting facilities (B)</p> Signup and view all the answers

What does the term 'coming to the nuisance' imply in the context of pollution and residential sorting?

<p>Households select locations based on pre-existing pollution levels (D)</p> Signup and view all the answers

Which of the following outcomes can arise from cleaning pollutants in local communities?

<p>Higher housing prices leading to displacement of current residents (B)</p> Signup and view all the answers

What reasoning supports the idea that income influences environmental inequities?

<p>Sorting can result in disparate exposure to pollution impacting low-income communities (A)</p> Signup and view all the answers

Flashcards

Stationary-source air pollution

Pollution generated by factories and plants, which are fixed locations.

Clean Air Act Amendments (CAAA) 1970

Legislation that significantly strengthened federal regulation of air pollution from stationary sources.

Criteria pollutants

Air pollutants the EPA must regulate.

National Ambient Air Quality Standards (NAAQS)

Standards set by the EPA for ambient (i.e., surrounding) pollution levels.

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SO2

Sulfur dioxide, a criteria air pollutant.

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NOx

Nitrogen oxides, a criteria pollutant.

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Mobile sources of air pollution

Sources that move, such as cars and trucks.

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Emissions Standards

Regulations specify the maximum amount of pollution allowed from a source (like a factory).

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NAAQS

National Ambient Air Quality Standards. Standards for clean air quality set by the EPA.

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State Implementation Plan (SIP)

A detailed plan created by each state to achieve air quality standards.

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Non-attainment

An air-control region that doesn't meet the NAAQS.

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New Source Review (NSR)

Requirement for new or modified pollution sources to get a permit and use the best available control technology (BACT).

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Best Available Control Technology (BACT)

The most effective pollution control methods available, regardless of cost.

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Perverse Incentives

Unintended consequences of a regulation that can encourage bad behavior.

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Spatial Gaming

Local authorities strategically placing air quality monitoring stations in areas with lower pollution to falsely show better results.

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Temporal Gaming

Manipulating air quality monitoring schedules (monitoring less often) to reduce the reporting of high pollution levels.

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Threshold pollutants

Pollutants with no significant external costs below a certain level (threshold).

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NAAQS levels

National Ambient Air Quality Standards levels established.

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Geographic variation

Differences in pollution costs across regions.

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Timing of emissions

Impact of when emissions occur on pollution levels.

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Human exposure

Different levels of exposure to pollution in various locations and time.

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Cost-effective policy

A policy that achieves the desired outcome minimizing the cost.

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Efficiency of CAA

Efficiency of CAA depends on five factors: threshold concept, NAAQS levels, geographic variation, timing , and human exposure.

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MB(e)= SMC(e)

The point where Marginal Benefits (e)= Social Marginal Cost (e) for efficiency standards

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Cost of CAC

The extra cost incurred by using command-and-control (CAC) regulations compared to a perfectly functioning permit market.

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RECLAIM program

California's Regional Clean Air Management program designed to reduce smog in the Los Angeles area.

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Smog trading

A market-based approach where firms can buy and sell permits to emit pollutants, allowing flexibility in pollution reduction.

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Cap-and-trade

A system where a limit (cap) is set on total emissions and firms can trade permits to emit pollutants.

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Pollution prevention

Strategies aimed at reducing pollution at its source, rather than controlling it after it's been generated.

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End-of-pipe control

Technologies used to reduce pollution after it is generated, often at the end of a production process.

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Market-based approach to pollution control

A regulatory approach that uses economic incentives, such as pollution permits, to reduce pollution.

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Shift the burden of pollution control

Market-based approaches transfer the responsibility for reducing pollution from government to firms.

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Acid Rain Problem

A significant environmental issue caused primarily by sulfur dioxide (SO2) emissions, leading to acidification of rainfall and harming ecosystems.

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SO2 Emissions Tax

A financial charge levied on companies for releasing sulfur dioxide (SO2) into the atmosphere, intended to incentivize them to reduce emissions.

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Clean Air Act Amendments (CAAA) of 1990

Legislation that significantly strengthened federal regulation of air pollution, particularly focusing on acid rain and sulfur dioxide (SO2) emissions.

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Acid Rain Program (ARP)

A national tradeable permit program for sulfur dioxide (SO2) emissions, established under the Clean Air Act Amendments of 1990, aiming to reduce acid rain.

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Tradeable Permit Program

A system where companies can buy and sell permits to emit pollutants, creating a market-based incentive for reducing emissions.

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ARP's Success

The Acid Rain Program achieved significant success in reducing sulfur dioxide (SO2) emissions, exceeding expectations and demonstrating the effectiveness of market-based environmental policies.

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Unexpected Benefits of ARP

The Acid Rain Program unexpectedly benefited human health by reducing airborne sulphate particles, leading to significant improvement in air quality.

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Cross-State Air Pollution Rule

A regulation passed in 2011 that restricted the ability to trade pollution permits across state lines, effectively ending the national market for SO2 emissions.

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RECLAIM Smog Trading

A program using tradable permits to reduce smog-forming pollutants in the Los Angeles area. It aims to achieve pollution reduction goals by allowing polluters to buy and sell emission allowances.

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Safety Valve in RECLAIM

A mechanism in the RECLAIM program that limits permit prices by allowing polluters to pay a tax instead of buying permits when prices become excessively high. This ensures that the cost of reducing emissions remains manageable.

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Japanese Emissions Charge

A system where polluters are taxed, and the revenue is used to directly compensate victims of pollution damage.

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Local vs. Regional Pollution

The difference lies in the distance the pollution travels. Local pollution impacts the immediate area, while regional pollution can travel far and affect wider regions.

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Dilution is the Solution

A strategy used by companies to reduce local air pollution by building tall smokestacks to disperse pollutants over a wider area, hoping to dilute their concentration.

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Clean Air Act Amendments 1990

Legislation that addressed the shortcomings of the original Clean Air Act by introducing new regulations and approaches to reduce air pollution, particularly focusing on regional pollutants.

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Inefficient Command & Control (CAC) Regulation

A system where strict rules and regulations are imposed on polluters to limit emissions, often leading to high costs and less innovation in finding cleaner solutions.

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Local Standards for Regional Pollutants

The original Clean Air Act mainly focused on local air quality standards, neglecting the significant impact of regional pollutants that travel far and affect multiple areas.

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Mobile Air Pollution

Pollution generated by moving sources like cars, ships, and planes.

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Why is Mobile Pollution Hard to Regulate?

Mobile sources are numerous, constantly changing location, and difficult to track over time, making regulation complex.

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Implicit Subsidies

Hidden financial benefits that encourage driving, such as free parking or road infrastructure costs not reflected in personal costs.

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Externalities in Transportation

Negative impacts of driving that drivers don't pay for, like pollution, accidents, and congestion.

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Stock vs. Flow Problem

The challenge of reducing pollution when the existing fleet of vehicles is large, while new vehicles are only a small part of the total.

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P M C = 0, SM C > 0

Private Marginal Cost (PMC) of driving an extra mile is zero, as drivers don't pay directly for road maintenance, while Social Marginal Cost (SMC) is greater than zero due to externalities.

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Regulation of Mobile Sources

Policies target both manufacturers (e.g., emissions standards) and drivers (e.g., fuel efficiency requirements) to reduce pollution.

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Traffic Jams Increase Pollution

Congestion leads to increased fuel consumption and exhaust emissions, making pollution levels worse.

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Externalities

Costs or benefits not reflected in the price of a good or service, such as pollution from cars.

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Why are transport costs too low?

Implicit subsidies and externalities make private transportation seem less expensive, leading to overuse.

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The US Approach to Pollution Control

Combines regulation at the manufacturing stage (new cars) and emission control at the point of use, including enforcement and recall.

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Lead Phaseout

The process of eliminating leaded gasoline, primarily through a tradeable permit system where refiners received allowances to produce leaded gasoline which were gradually phased out.

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CAFE Standards

Government regulations requiring automakers to meet average fuel economy (miles per gallon) targets for their entire fleet of cars and trucks. These standards have been steadily increasing over time to improve fuel efficiency and reduce emissions.

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MPG Illusion

The misconception that a larger improvement in MPG always translates into a greater reduction in fuel consumption. People tend to overestimate the gas savings from smaller MPG increases.

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Tradeable Permit System

An approach to environmental regulation where permits to pollute are issued and traded amongst businesses allowing them to buy and sell the right to emit pollutants.

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Implicit Subsidies in Transportation

Hidden financial benefits that encourage driving, such as free parking or the cost of road infrastructure not being fully reflected in the price of driving. These subsidies make driving cheaper than it actually costs society.

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Rebound Effect

When improvements in fuel efficiency lead to increased driving, partially offsetting the gains in fuel savings.

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CAFE Standards' Weakness

Fuel economy standards focus on new vehicles, so efficiency improvements take time to impact the overall fleet.

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Spillover Benefits

Positive externalities resulting from fuel economy standards, such as reduced emissions and dependence on foreign oil.

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Automakers' Fuel Efficiency

Automakers often don't offer fuel-efficient models that consumers would actually prefer.

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Implicit Subsidies for Driving

Hidden financial advantages for driving, such as free parking or road infrastructure costs not reflected in driver costs.

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Energy Paradox

The phenomenon where efficiency improvements in energy use lead to increased energy consumption rather than reduced consumption.

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EV Emission Advantages?

While electric vehicles (EVs) have no tailpipe emissions, their overall emissions depend on the source of electricity used to charge them, potentially leading to regional pollution.

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EV Subsidies

Governments offer financial incentives to encourage the purchase of electric vehicles, aiming to reduce emissions and promote cleaner transportation.

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IRA EV Subsidy Effects

The Inflation Reduction Act's EV subsidies have mixed results: some purchases are additional, while others are merely accelerated from future plans.

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Heterogeneity in EV Benefits

The environmental benefits of EVs vary greatly depending on factors like battery technology, electricity source, and driving patterns, making uniform subsidies less effective.

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Biofuels

Fuels derived from organic matter, such as plants or algae, used as an alternative to conventional fossil fuels, often promoted for their potential environmental benefits.

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Biofuel Policy

Government regulations and incentives aimed at promoting the production and use of biofuels, often through subsidies or mandates, intended to reduce dependence on fossil fuels and improve environmental sustainability.

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Biofuels Controversy

The use of biofuels, especially ethanol, has been controversial due to concerns about environmental impacts like crop monoculture and potential subsidies for large agriculture.

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Ethanol's Fall From Grace

Despite early adoption, the use of ethanol as a fuel source declined significantly after Brazil's ethanol crisis in 2009, highlighting the sensitivity of biofuels to market fluctuations and supply chain disruptions.

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Congestion Pricing: A Targeted Approach

Congestion pricing aims to alleviate traffic congestion by charging higher fees for using congested roads during peak hours, encouraging drivers to shift their travel times or modes.

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Public Transport Fees: The Cost of Service

Fees for public transportation should reflect the marginal cost of providing the service, minus a subsidy that accounts for the benefits of using public transport, while also considering potential congestion.

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Feebates: Incentives for Clean Vehicles

Feebates are policies that combine taxes on high-emitting vehicles with subsidies for low-emitting vehicles, encouraging a shift towards cleaner transportation.

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Parking Cash-Outs: Rewarding Alternatives

Parking cash-outs compensate employees for not using a parking space, incentivizing alternative modes of transportation and reducing pollution.

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Mobile Air Pollution: More Complex than Stationary

Mobile air pollution, generated by sources like cars and planes, presents unique challenges due to its spatial and temporal variability, making regulation more complex.

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The Stock vs. Flow Problem

Reducing mobile air pollution is challenging due to the large existing fleet of vehicles, which pollute even as new, cleaner models are introduced.

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Social Cost of Carbon (SCC)

The estimated cost of emitting one additional ton of carbon dioxide, considering its impact on the environment and society.

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Discount Rate

A rate used to calculate the present value of future costs or benefits, reflecting the idea that money today is worth more than money in the future.

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Present Value (PV)

The current value of a future cost or benefit, adjusted for the time value of money.

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Compound Interest

The growth of an investment over time, where interest earned is added to the principal and then earns interest in subsequent periods.

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Integrated Assessment Model (IAM)

A computer simulation that combines economic and climate models to assess the impacts of climate change and the effectiveness of different policy responses.

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Opportunity Cost of Consumption

The tradeoff between spending money on climate change mitigation today and enjoying more consumption now.

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Climate Change Economics

The study of the economic impacts of climate change and the design of policies to address the problem.

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Public Bad

A negative externality that affects everyone in society, but is not accounted for in the market price of the good or service that causes it.

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Ramsey Rule

A formula used to calculate the discount rate for future benefits, taking into account factors like time preference, consumption growth, and risk aversion.

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Pure Rate of Time Preference (δ)

The extent to which we value present enjoyment compared to future enjoyment, reflecting our impatience, mortality, and uncertainties about the future.

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Elasticity of Marginal Utility of Consumption (η)

How much the value of gaining or losing one unit of consumption changes as we become wealthier; measures how much our satisfaction from consumption changes with income.

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Stern Review Discount Rate

A low discount rate of 1.4% derived from the Ramsey Rule using δ = 0.001, η = 1, and g = 0.013, implying a strong focus on future generations.

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Controversy Over Stern's Discount Rate

Many economists disagreed with Stern's low discount rate, arguing it should reflect observed market savings and interest rates, not ethical arguments.

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Unitary Elasticity (η = 1)

A special case where a 1% increase in wealth leads to a 1% decrease in the value of an additional unit of consumption, implying greater value for gains to poorer people.

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Progressive Discount Rates

Discount rates that weigh future generations' welfare more heavily by taking into account the increasing wealth of future generations.

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Discount Rate Debate

The ongoing discussion about what discount rate to use for evaluating future costs and benefits, with different perspectives on how much value should be placed on future generations.

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Stern Review

A comprehensive 2006 report by the UK government that analyzed the economics of climate change, arguing for significant action to address the issue.

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Climate change economics' defining issue

The discount rate is considered the most critical factor in economic analysis of climate change, determining the relative value of costs and benefits across time.

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Effect of discount rate on long time spans

Small changes in the discount rate can have significant impacts on cost-benefit calculations when dealing with long-term environmental issues like climate change.

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Stern Review's take-home message

We need swift and decisive action on climate change. Business-as-usual will lead to irreversible harm, especially for the poorest countries.

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Controversy over the discount rate

There is significant disagreement among economists about the appropriate discount rate to use for climate change policies, influencing cost-benefit analyses.

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Stern Review's stabilization goal

The report proposed aiming for a CO2 concentration between 500 and 550 ppmv to avoid catastrophic climate change, which could be achieved at a cost of 1% of global GDP per year.

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Stern Review's key recommendation

Urgent and substantial action is needed to address climate change. Business-as-usual is not an option.

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Nordhaus's view on SCC

Nordhaus argued for a lower SCC compared to Stern, suggesting a 'wait and see' approach to climate policy with gradual carbon pricing.

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Weitzman's argument

Weitzman agreed that Stern was right about the urgency of climate action, but disagreed about the necessity of a very low discount rate.

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Gamma Discounting

A concept suggesting that the discount rate should decrease over time, recognizing the increasing uncertainty about distant future events.

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DICE Model

A prominent economic model developed by Nordhaus to simulate the interaction between climate change and the economy, used to assess climate policy options.

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Stern-Nordhaus debate

A significant disagreement over the urgency and approach to climate change policy, with Stern advocating for immediate action and a low discount rate, while Nordhaus favored a more gradual, wait-and-see approach.

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CARE

A two-step approach to estimating the impact of climate change that considers both causal effects and adaptation.

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Adaptation

The process of changing behavior or systems to respond to climate change.

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What is the Paris Agreement's ambition?

The Paris Agreement seeks to limit global warming to well below 2°C, preferably to 1.5°C, compared to pre-industrial levels.

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Negative emissions

Technologies that remove carbon dioxide from the atmosphere, such as direct air capture or afforestation.

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Why is adaptation important?

Adaptation is crucial because we will likely experience at least some climate change, requiring adjustments to mitigate its impacts.

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What are the objectives of adaptation?

Maintaining the status quo, reducing negative impacts, or capturing positive impacts, depending on individual and societal preferences.

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What are the challenges of adaptation?

Adaptation can be costly, difficult to implement, and may not be effective in all situations.

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How does research on climate change impact affect different regions?

Research is providing detailed climate impact projections for different geographic areas, focusing on the US and Western Europe, while developing regions are still under investigation.

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Adaptation vs. Mitigation

Adaptation focuses on adjusting to climate change impacts, while mitigation aims to prevent or reduce those impacts.

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Public Good (Bad) of Climate Change

Climate change affects everyone globally and over a long period, making it a public good (bad) because its effects are shared by all.

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What is Social Cost of Carbon (SCC)?

The SCC is the estimated cost of emitting one additional ton of CO2, considering its long-term environmental and economic impacts.

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Discount Rate: The Value of Time

The discount rate reflects the idea that money today is worth more than money in the future, impacting how we value future costs and benefits.

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Uncertainty & Climate Action

Even with a high discount rate, uncertainty about climate impacts and the importance of relative prices can justify strong climate action.

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Damage Estimates: The Controversial Part

Alongside the discount rate, the estimated damages from climate change are a major point of debate in climate economics.

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Climate Change Economics: Key Concepts

This field studies the economic impacts of climate change and how to design effective policies for mitigation and adaptation.

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Opportunity Cost of Climate Action

The cost of taking action on climate change is measured by what we could have consumed if we hadn't spent resources on mitigation.

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Surface water contamination

Pollution of rivers, lakes, and oceans, which are used for drinking water and recreation.

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Groundwater Contamination

Pollution of underground water sources that are used for irrigation and drinking water.

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Point Source Pollution

Pollution discharged from a specific location, like a factory's waste pipe.

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Nonpoint Source Pollution

Pollution from diffuse sources, like fertilizer runoff from farms.

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Fund Pollutant

A pollutant that decomposes in the environment, eventually becoming harmless.

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Stock Pollutant

A pollutant that does not decompose and remains harmful in the environment.

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Eutrophication

Excessive nutrient enrichment in water bodies, leading to algal blooms and oxygen depletion.

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Dead Zone

An area in a water body with very low oxygen levels, often due to eutrophication, making it unable to support most life.

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Thermal Pollution

Raising the temperature of a water body, often from industrial waste heat.

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Ocean Pollution

Contamination of ocean waters from sources like oil spills, dumping, and plastic runoff.

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Ephemeral Streams

Streams that flow for a short period of time, often seasonally, and are often dry for a part or most of the year.

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CWA Protections

The Clean Water Act (CWA) protects certain waters from pollution, but there's disagreement about which waters are covered.

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Rapanos vs. Trump

The Supreme Court's 2006 Rapanos ruling and the Trump administration's 2015 rule changed how the CWA applies to wetlands and streams. This changed what waters are protected.

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Steam Electric Effluent

The wastewater discharged from power plants that use steam to generate electricity. This water can contain pollutants like ash and heated water.

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Safe Drinking Water Act

This act established stricter standards for water quality in public drinking water systems compared to general surface water.

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Refuse Act (1899)

Prohibited dumping of refuse into navigable waters, primarily to protect navigation. It was largely unenforced and later struck down by legal challenges.

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Water Pollution Control Act (1948)

Gave states primary authority over water pollution but allowed the federal government to conduct investigations, research, and support waste treatment plants. It also introduced enforcement conferences for regulating waste discharges.

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Water Quality Act (1965)

Required states to develop implementation plans with effluent quality standards, but lacked a direct link to ambient water quality standards.

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Clean Water Act (1972)

Set the goal of eliminating all pollutant discharges into navigable waters by 1985. It required permits with strict technology standards for all dischargers, regardless of ambient water quality.

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Waters of the US (WOTUS)

A long-standing debate over what bodies of water fall under the Clean Water Act's jurisdiction. This has resulted in numerous legal challenges and Supreme Court rulings.

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CWA's Enforcement Delay

Despite its stringent standards, the implementation and enforcement of the Clean Water Act faced delays, leading to a gap between its goals and actual progress.

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Technology-Based Standards

The Clean Water Act's approach to regulating pollution by focusing on the technology used by polluters, instead of direct water quality targets.

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Lead and Copper Rule Improvements

This rule aims to eliminate lead exposure from drinking water by requiring 100% replacement of lead pipes within a decade. It also strengthens monitoring standards and emphasizes that there is no safe level of lead exposure.

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PFAS Regulations

This rule sets maximum contaminant levels for six PFAS in drinking water. It also requires water systems to monitor and report their PFAS levels. The benefits of this rule are estimated to outweigh the costs by $1.5 billion annually.

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Ocean Pollution: Oil Spills

The Clean Water Act banned any oil discharges and made firms liable for cleanup and damages. Firms that are found to be 'willfully negligent or misconduct' face unlimited liability, while others face a maximum of $50 million in liability. This liability includes damages to natural resources.

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Ocean Pollution: Ocean Dumping

The Marine Protection Research and Sanctuaries Act of 1972 prohibits the dumping of industrial waste or sewage into the ocean.

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Ocean Pollution: Ocean Trash

Ocean trash is a serious problem, but regulations are challenging because it's difficult to trace trash back to its source.

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CWA Costs and Benefits

The Clean Water Act (CWA) has led to a decrease in water pollution but at a significant cost. Estimates put the total cost of implementing the CWA at over $1 trillion. However, it is still unclear if the benefits of clean water outweigh the costs.

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Cost-Effective Strategies

While pollution regulation is necessary, it's important to use cost-effective strategies to minimize costs and maximize benefits. This can involve focusing on marginal costs of both point and non-point sources of pollution.

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US Water Pollution Regulation

U.S. water pollution regulations rely heavily on mandatory technology standards for point sources of pollution. However, there is ongoing debate about the cost-effectiveness of this approach compared to market-based solutions.

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Technology Standards vs. Market-Based Approaches

Command and control approaches, like technology standards, often have high costs. Market-based approaches, like tradable permits, can incentivize pollution reduction while potentially achieving cost-effectiveness.

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Cost-Effectiveness of Water Cleanup

There is less certainty about exceeding benefits over costs for water cleanup compared with air quality regulations. This highlights the importance of evaluating strategies based on cost-effectiveness and balancing marginal costs.

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Effluent Standards

Uniform limits imposed on all polluters, regardless of their location or the type of pollutant they release.

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Marginal Cost vs. Marginal Benefit

The economic principle that efficient pollution control happens when the additional cost of reducing pollution (marginal cost) equals the additional benefit gained (marginal benefit).

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Wastewater Treatment Subsidies

Government financial support for building municipal wastewater treatment plants, but often lacking incentives for proper operation and maintenance.

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Watershed-based Trading

A system where polluters can buy and sell pollution reduction credits within a specific river basin, allowing flexibility in meeting pollution targets.

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Oil Spill Liability

The financial responsibility of oil spill owners to pay for cleanup and damages, which can incentivize efficient pollution prevention when penalties accurately reflect costs.

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Incentives for Proper Operation and Maintenance

The need for mechanisms to encourage businesses to maintain and operate pollution control equipment efficiently, beyond just initial construction.

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Capital Costs vs. Operating Costs

Distinguishing between the initial investment in pollution control equipment (capital costs) and the ongoing expenses for maintaining and using it (operating costs).

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Prioritizing Pollution Reduction

Focusing on reducing pollution in areas where it poses the most significant environmental and health risks, rather than distributing resources evenly.

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Comparative Advantage and Pollution

When a country specializes in producing goods that use more polluting resources, trade liberalization can increase the relative price of these goods, leading to capital and labor flowing to these industries, and ultimately increasing emissions.

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Scale, Composition, and Technique Effects

These three effects influence how trade affects emissions: Scale refers to the overall size of the economy; Composition reflects shifts in production towards more or less polluting industries; and Technique describes improvements in pollution control technologies.

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Technique Effect Dominance

Empirical evidence suggests that the technique effect, which captures improvements in pollution control technologies, is the most significant factor in determining the overall impact of trade on emissions.

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Environmental Kuznets Curve (EKC)

The EKC hypothesis proposes that environmental degradation initially worsens as income grows, but eventually improves as countries become richer and adopt cleaner technologies and policies.

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Pollution Haven Hypothesis (PHH)

This hypothesis argues that countries with lax environmental regulations attract polluting industries, potentially leading to a relocation of pollution rather than a global reduction in emissions.

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EKC and PHH: Trade and Environment

The EKC and PHH represent two opposing viewpoints on the relationship between trade and the environment. The EKC suggests that economic growth ultimately leads to cleaner environments, while the PHH argues that trade might simply shift pollution to countries with weaker regulations.

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Grossman and Krueger (1991)

This seminal paper provided early empirical support for the Environmental Kuznets Curve (EKC) hypothesis, suggesting an inverse-U relationship between income and environmental degradation.

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EKC: Intensity vs. Levels

The EKC typically focuses on changes in pollution intensity (e.g., energy use per dollar of GDP), not absolute levels of pollution. While rich countries may still use more energy overall, they tend to use less energy per unit of output.

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Comparative Advantage

A country's ability to produce a good or service at a lower opportunity cost than other countries, leading to specialization and trade.

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How Does Trade Affect the Environment?

Trade can impact the environment through three channels: scale, technique, and composition effects.

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Scale Effect

Increased trade leads to larger production, potentially causing more emissions due to increased resource use.

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Technique Effect

Higher incomes driven by trade may lead to demand for a cleaner environment, encouraging cleaner technologies and stricter regulations.

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Composition Effect

Trade can shift the mix of industries within a country, potentially causing changes in the level of pollution by favoring cleaner or dirtier industries.

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Trade and the EKC

Trade can influence a country's position on the EKC by affecting its income and potentially shifting its environmental performance.

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Trade's Potential Environmental Impact

Trade can both positively and negatively impact the environment depending on trade's channels and a country's position on the EKC.

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Pollution Haven Effect (PHE)

Stringent environmental regulations in one country result in reduced exports of polluting goods from that country, but not necessarily an increase in imports from less-regulated countries.

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Environmental Bias of Trade Policy

Trade policies might favor industries with higher pollution levels by imposing lower trade barriers. This effectively subsidizes pollution.

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Upstreamness of an Industry

Reflects how much an industry sells to other businesses (upstream) versus final consumers (downstream). Upstream firms are often more polluting.

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Implicit Subsidy on CO2 Emissions

Lower trade barriers on polluting industries create an indirect financial benefit, effectively incentivizing them to pollute more.

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Globalisation's Environmental Impact

Increased trade and investment due to globalization have both positive (technology transfer) and negative (potential for pollution havens) effects on the environment.

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Trade War/Protectionism's Environmental Impact

A shift from free trade to protectionist policies can lead to less efficient production and a potential decline in the technology effect, potentially affecting the environment negatively.

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Procedural Justice in Environmental Decision-Making

The ability of local communities to participate in decisions regarding environmental amenities. This ensures fair and equitable processes for environmental protection.

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Bargaining Power and Environmental Justice

Disparities in bargaining power can lead to unequal environmental burdens. For example, communities with low English proficiency or racial minorities may receive less favorable lease terms for resource extraction.

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Government's Role in Environmental Justice

Government policies and regulations can influence the distribution of pollution, potentially creating or exacerbating inequalities. This includes legislation, monitoring, enforcement, and bureaucratic oversight.

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Political Influence and Environmental Disparities

Wealthier households may have greater political influence, allowing them to avoid or mitigate environmental burdens. This can expose low-income communities to disproportionate pollution.

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Discrimination in Housing and Environmental Justice

Landlords may discriminate against minority renters, leading them to be concentrated in areas with higher levels of pollution. This perpetuates environmental inequities.

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Hidden Pollution and Environmental Inequality

Inequality can arise when people unknowingly move to areas with hidden pollution sources, often linked to existing disamenities, resulting in unequal exposure to environmental hazards.

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Policy Alternatives for Environmental Equity

Policies aimed at reducing environmental inequalities can include promoting community participation, strengthening enforcement, addressing discrimination, and improving information about pollution sources.

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Improving Information Transparency

Providing communities with more information about pollution sources can help them make informed decisions about their living spaces and empower them to advocate for environmental protections.

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Tiebout Sorting

The idea that people choose to live in neighborhoods with amenities they value, which drives up housing prices and reveals their willingness to pay.

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Environmental Gentrification

When efforts to clean up polluted areas raise property values, potentially displacing lower-income residents who may have lived there before.

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Coasean Bargaining

A theory suggesting that parties affected by pollution can negotiate to achieve an efficient outcome, regardless of who owns the right to pollute.

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Coming to the Nuisance

The idea that people choose to live in areas with pollution because they are willing to accept it, often due to lower housing costs.

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Income as a Factor in Environmental Injustice

If people sort themselves based on their willingness to pay for pollution levels, lower-income communities may end up with higher pollution.

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Facilities Relocating & Environmental Injustice

Pollution sources are more likely to relocate to lower-income communities, potentially increasing pollution in those areas.

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Flood Zones and Low-Income Residents

Low-income and minority residents are often more likely to live in high-risk flood zones, potentially due to lower housing costs and limited choices.

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Chicken-or-the-Egg Problem

It's hard to determine whether pollution sources choose to locate in low-income areas or whether low-income residents are drawn to cheaper housing near pollution.

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Environmental Policy Impact

The effect of environmental policies on disparities in pollution exposure, particularly focusing on whether they reduce or exacerbate existing inequalities.

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Causal Inference

A method used to determine the true effect of a policy on pollution exposure, accounting for other factors that might influence the outcome.

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Environmental Justice (EJ) Gap

The disparity in environmental burdens, such as air pollution, between different communities, often based on race, ethnicity, or socioeconomic status.

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Market-Based Policies and EJ

How market-based environmental policies, like cap-and-trade, can impact environmental justice by potentially concentrating pollution in certain areas.

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Cap-and-Trade and EJ

The potential consequences of cap-and-trade programs on environmental justice, where the location of pollution reductions can influence the distribution of pollution burdens.

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California Cap-and-Trade Program

A state-wide program in California that sets a limit on greenhouse gas emissions and allows businesses to trade permits to emit.

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C&T and EJ Gap Reversal

Evidence suggesting that California's cap-and-trade program has reduced or reversed the growth of the environmental justice gap.

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Cost-Benefit Analysis and EJ

The importance of considering environmental justice implications alongside traditional cost-benefit analysis when evaluating policies.

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Study Notes

Housekeeping

  • Midterm grades will be posted by the end of the week.
  • Problem set 3 is due Friday, November 15th.
  • Project idea feedback and corrections for due dates have been posted.
  • Meet with the instructor during Weeks 6, 7, or 8 to discuss projects.
  • The paper is due December 3rd, not during Thanksgiving week.

Tradeable Permits

  • Cap-and-trade policies and Pigouvian policies are market-based approaches that aim to control pollution at the least cost.
  • Taxes are price-based instruments, aiming to stabilize prices.
  • Permits are quantity-based instruments, ensuring environmental effectiveness.
  • Under uncertainty regarding the Marginal Abatement Cost (MAC), the choice of instrument depends on the relative steepness of the Marginal Abatement Benefit (MAB) and MAC curves.

Introduction to Stationary-Source Pollution

  • Stationary-source pollution involves pollution generated by factories and plants.
  • The source of the pollution, not the pollution itself, remains stationary.
  • Mobile sources of air pollution include cars, trucks, and ships.
  • In the US, there are an estimated 27,000 regulated major stationary air pollution sources.
  • Most of these sources are regulated under the Clean Air Act (CAA) and its amendments.

Clean Air Act Amendments of 1970

  • The federal government took a stronger, centralized role in air pollution regulation in 1970.
  • The Amendments focused on "criteria pollutants," requiring the EPA to establish regulations.
  • Criteria pollutants include sulfur dioxide (SO2), nitrogen oxides (NOX), carbon dioxide (CO2), lead, ozone, and particulate matter (e.g., PM2.5).

Clean Air Act Amendments of 1970: NAAQS

  • National Ambient Air Quality Standards (NAAQS) set standards for ambient pollution concentrations over specific time periods (short-term and long-term).
  • Annual averages and maximum daily concentrations are used.
  • Cost considerations were not taken into account when setting NAAQS levels.
  • Standards were set to protect vulnerable members of society.

Clean Air Act Amendments of 1970: Implementation and Enforcement

  • Each state must develop a State Implementation Plan (SIP).
  • SIPs divide states into air-control regions and outline plans to achieve ambient air quality standards.
  • If a region does not meet NAAQS, it is categorized as non-attainment, triggering strict pollution control measures imposed by the EPA.
  • Non-attainment may involve halting new or modified pollution sources, or withholding federal funding.

Detour: Perverse Incentives

  • Current challenges exist in pollution control, where authorities may manipulate monitoring to benefit themselves.
  • Examples include spatial gaming, placing monitoring stations in low-pollution areas, and temporal gaming, monitoring pollution only sporadically.
  • Modern satellite-based pollution estimations help to examine these biases.

Back to CAAA: New Source Review

  • The Clean Air Act Amendments of 1977 introduced New Source Review (NSR).
  • NSR requires new or modified pollution sources to install the best available control technology (BACT).
  • BACT must be implemented regardless of cost.
  • NSR aims to improve air quality by making pollution controls in existing plants.

Backfires of New Source Review

  • NSR can create perverse incentives for polluters to avoid upgrading their facilities if it is expensive.
  • The economic cost of upgrading facilities might be prohibitive, potentially making non-upgrade the preferred strategy.

Efficiency of Command and Control (CAC) Regulations

  • For CAC regulations to be efficient, the Marginal Benefit (MB) of emission reductions and the Marginal Social Cost (MSC) must be equal.
  • The efficiency of the Clean Air Act depends on factors such as threshold pollutants (no damages under a certain threshold), NAAQS levels (no cost considerations), geographic variations in pollution damages, time variations in pollution impacts, and human exposure variations.

Threshold Pollutants

  • Threshold pollutants are assumed to have minimal or no external costs until they reach a critical level (threshold).
  • NAAQS are based on the health threshold— pollution damages are deemed absent before this threshold.
  • Recent evidence suggests that health damages exist at lower levels; SMC is likely upward sloping instead of horizontal.

Level Standard

  • The appropriate level of NAAQS should maximize net benefits of policies.
  • The calculation of costs and benefits is problematic because the legislation prohibiting cost considerations makes it unlikely, though not impossible, to achieve efficiency.

Uniformity

  • NAAQS standards apply uniformly across geographical regions.
  • No account is taken of geographic variation in SMC.
  • Varying geographic inputs may make attainment standards in some areas more challenging.

Timing

  • The timing of emissions can significantly impact the damages from pollution.
  • Large spikes in emissions are no different from concentrated emissions (in space).
  • Midday ozone pollution is more damaging than nighttime pollution.
  • Variations in SMC during the day and year should be accounted for.

Concentration vs. Exposure

  • The Clean Air Act focuses on outdoor air concentrations.
  • Most Americans only spend time outdoors for a limited portion of the day.
  • Regions have different levels of human exposure to outdoor air.
  • SMC might be higher in urban areas (higher exposure to pollution), implying stricter standards for efficiency.

1970s CAAA Cost-Effectiveness

  • Determining the cost-effectiveness of the CAAA of 1970 is challenging.
  • There are no universally agreed-upon least-cost alternatives to compare the CAAA with.
  • Eight of nine studies suggest substantial or overwhelming overruns (costs are greater than predicted); one study found only a slight overrun in Los Angeles.

Did the 1970s CAAA Work?

  • The data show significant reductions in pollution levels for different pollutants (CO, Ozone, Lead, NO2, PM10).
  • Changes over time indicate notable decreases in pollutant levels.

Market-Based Approaches

  • Market-based strategies are beneficial in shifting pollution control burden to firms.
  • The need for firm-specific info may be reduced.
  • Flexibility is advantageous to private firms.
  • Pollution prevention and prevention of damage, rather than simply treating pollution, are possible with market-based approaches.

Example 1: RECLAIM Smog Trading

  • California's Regional Clean Air Management (RECLAIM) established a smog trading program in 1994.
  • The objective was to achieve an 80% reduction in NOx and SOx emissions, achieving reductions of 5-8% annually.
  • The program allowed for the buying and selling of permits for pollution reduction, encouraging flexibility.

Example 1: RECLAIM Challenges

  • Initially, the program's targets were overly generous, making it less effective.
  • A safety valve was incorporated to assist in cases where permit prices became excessively high, temporarily switching the policy to a form of tax.
  • Permit prices in regions, such as California, have increased significantly during times of critical demand.

Example 2: Japanese Emissions Charge

  • The Japanese system uses government revenues to compensate pollution victims.
  • A tax on SO2 and automobile weight directly compensates victims.
  • The system encourages abatement through tax increases for pollution.
  • Increased victim compensation as the program gains popularity and falling pollution levels due to the tax system among other factors.

CAAA of 1990 & Acid Rain Program (ARP)

  • The Clean Air Act Amendments of 1990 addressed the issue of acid rain, primarily focusing on SO2.
  • The Clean Air Act Amendments (1990) introduced a market-based solution via a tradeable permit (cap-and-trade) system to reduce SO2 emissions.
  • A major aim was to reduce SO2 emissions by 10 million tons relative to 1980 levels.

ARP's Effects

  • The Acid Rain Program achieved near 100% compliance and significantly reduced emissions.
  • Railroad deregulation contributed to a reduction in SO2 emissions.
  • Benefits primarily related to improved human health were unexpected.

Evaluating the ARP: Cross-State Air Pollution Rule (CASPR)

  • The CASPR, which was enacted in 2011, removed the ability to trade pollution permits across state lines.
  • The market-based pollution permit system was effectively concluded.
  • The effectiveness of the market-based tool was not affected, despite the perceived political issues with the system.
  • The program is still maligned today.

Clean Air Act Continued Success

  • The CAAA remains a very effective strategy for reducing air pollution and maintaining air quality based on recent research.

Conclusions

  • Stationary air pollution relates to the immobility of pollution sources, not necessarily the pollution itself.
  • The Clean Air Act and its amendments have significantly reduced pollution in the United States.
  • The 1970 Clean Air Act Amendments weren't cost-effective.
  • The focus on local standards encourages the exporting of pollution to neighboring regions.
  • Policies from 1990 have significantly improved pollution levels and were designed to be cost-effective.

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Description

Test your knowledge on cap-and-trade policies, stationary-source pollution, and various market-based approaches to controlling pollution. This quiz will cover the key concepts and instruments used in environmental economics applicable to pollution control strategies.

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