Economics & Scarcity Quiz

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Questions and Answers

What is the opportunity cost associated with a choice?

  • The cost of the least valued option.
  • The cost of producing a good.
  • The cost related to the next best alternative. (correct)
  • The total cost associated with all alternatives.

Which of the following is considered a factor of production?

  • Labour. (correct)
  • Consumer preferences.
  • Business profits.
  • Market demand.

What does a point inside the Production Possibility Boundary (PPB) indicate?

  • Efficient use of resources.
  • Unattainable production levels.
  • Inefficient use of resources. (correct)
  • Maximum productivity.

How does an increase in factors of production affect the PPB?

<p>Shifts the PPB outward on both axes. (B)</p> Signup and view all the answers

In which economic system are the four economic questions answered by a single central authority?

<p>Command economy. (D)</p> Signup and view all the answers

What type of decision involves comparing the cost with the value of producing one more unit?

<p>Marginal decision. (B)</p> Signup and view all the answers

Which of the following is NOT considered a key economic issue?

<p>Seasonal Employment. (A)</p> Signup and view all the answers

What does productivity growth refer to in economics?

<p>Increase in output per input used. (B)</p> Signup and view all the answers

What happens to the equilibrium price and quantity when there is an increase in demand?

<p>Both price and quantity increase. (D)</p> Signup and view all the answers

If demand decreases while the price remains the same, what immediate market condition is created?

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

Which of the following will cause the supply curve to shift outwards?

<p>A decrease in input prices. (A)</p> Signup and view all the answers

When equilibrium is disrupted by a decrease in supply, what effect does it have on price and quantity?

<p>Price increases, quantity decreases. (C)</p> Signup and view all the answers

What is the equilibrium price when Qd = 100 - 3P and Qs = 20 + 2P?

<p>$16 (C)</p> Signup and view all the answers

How is excess demand at a given price impacted in the market?

<p>It causes prices to rise. (C)</p> Signup and view all the answers

What necessitates a movement along the supply and demand curves to establish a new equilibrium?

<p>A shift in either supply or demand. (A)</p> Signup and view all the answers

Which of the following describes the adjustment process after a decrease in demand?

<p>The quantity supplied exceeds the quantity demanded causing prices to increase. (A)</p> Signup and view all the answers

What type of statements express opinions that cannot be tested?

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

Which variable is affected by changes in an exogenous variable?

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

What does a negative correlation between two variables imply?

<p>One variable decreases while the other increases (C)</p> Signup and view all the answers

What does the term 'ceteris paribus' mean in economic analysis?

<p>Holding one variable constant while changing others (C)</p> Signup and view all the answers

Which of the following correctly calculates the tuition index for 2025 based on the given values?

<p>125 (B)</p> Signup and view all the answers

How does an increase in price typically affect the quantity demanded for a good?

<p>It decreases quantity demanded (D)</p> Signup and view all the answers

What is the index value of a good in the base year?

<p>100 (A)</p> Signup and view all the answers

What factors can influence demand for a particular good?

<p>All of the above (D)</p> Signup and view all the answers

What does Own Price Elasticity of Demand measure?

<p>The responsiveness of quantity demanded to changes in the good's own price. (D)</p> Signup and view all the answers

When the Own Price Elasticity of Demand is equal to 1, what does this indicate?

<p>Percentage changes in quantity demanded and price are equal. (C)</p> Signup and view all the answers

How does total revenue (TE) change for an elastic good when its price increases?

<p>TE will decrease. (C)</p> Signup and view all the answers

If the Own Price Elasticity of Demand is less than 1, how is the good classified?

<p>As inelastic. (B)</p> Signup and view all the answers

What happens to Total Expenditure (TE) for an inelastic good when the price decreases?

<p>TE decreases because quantity demanded increases less than the price decrease. (D)</p> Signup and view all the answers

What characteristic defines elastic demand?

<p>Percentage change in quantity demanded is greater than the percentage change in price. (D)</p> Signup and view all the answers

How is Supply Elasticity best defined?

<p>As the responsiveness of quantity supplied to a change in price. (A)</p> Signup and view all the answers

In what situation would total revenue increase for a good?

<p>When the good has elastic demand and price decreases. (C)</p> Signup and view all the answers

What does an elasticity of supply greater than 1 indicate?

<p>Supply is elastic. (C)</p> Signup and view all the answers

When a good is considered inelastic, what happens to the burden of a tax placed on that good?

<p>The consumer bears more of the tax burden. (C)</p> Signup and view all the answers

How does cross price elasticity behave when two goods are complements?

<p>Exy &lt; 0. (B)</p> Signup and view all the answers

Which of the following statements about elastic supply is true?

<p>Elastic supply allows firms to respond quickly to price changes. (D)</p> Signup and view all the answers

Which scenario illustrates a good with elastic supply?

<p>A farmer growing crops that can be switched easily. (D)</p> Signup and view all the answers

What happens to demand for inferior goods when consumer income rises?

<p>Demand decreases. (A)</p> Signup and view all the answers

If the cross price elasticity (Exy) between two goods is greater than 0, what is the relationship between the goods?

<p>They are substitutes. (A)</p> Signup and view all the answers

What does an elasticity of supply less than 1 indicate?

<p>The good has an inelastic supply. (C)</p> Signup and view all the answers

How does the burden of a tax shift when applied to a good with inelastic supply?

<p>Consumers assume the entire burden of the tax. (C)</p> Signup and view all the answers

What outcome occurs when the price of a substitute good increases?

<p>The quantity demanded of the original good increases. (D)</p> Signup and view all the answers

Which situation describes a normal good in terms of income elasticity?

<p>An increase in income leads to an increase in quantity demanded. (D)</p> Signup and view all the answers

In what scenario would cross price elasticity of demand be negative?

<p>When the goods are complements. (C)</p> Signup and view all the answers

What happens to equilibrium price and quantity when there is an increase in demand?

<p>Both price and quantity increase. (D)</p> Signup and view all the answers

What market condition is created when demand decreases and the price remains unchanged?

<p>A surplus in the market. (B)</p> Signup and view all the answers

When the supply curve shifts outward, which of the following occurs?

<p>Equilibrium price decreases, and quantity increases. (A)</p> Signup and view all the answers

What occurs in the market when there is a decrease in supply?

<p>A surplus develops, resulting in higher prices. (B)</p> Signup and view all the answers

If the initial demand curve is represented by $Q_d = 100 - 3P$ and a shift causes a new equilibrium price of $P^* = 16$, what is the quantity demanded at this price?

<p>52 (D)</p> Signup and view all the answers

In which scenario would both equilibrium price and quantity decrease?

<p>Decrease in demand. (B)</p> Signup and view all the answers

What would be the outcome of a shift in the supply curve due to a technological improvement?

<p>Increase in supply and decrease in equilibrium price. (D)</p> Signup and view all the answers

What happens to equilibrium price (P*) and quantity (Q*) when the demand decreases?

<p>Both P* and Q* decrease. (A)</p> Signup and view all the answers

What effect does a constant price have on quantity supplied when there is an increase in supply?

<p>Quantity supplied increases. (C)</p> Signup and view all the answers

What best defines an exogenous variable in economic models?

<p>An independent variable that influences dependent variables. (D)</p> Signup and view all the answers

What does the term 'ceteris paribus' allow in economic analysis?

<p>To hold one variable constant while examining another. (A)</p> Signup and view all the answers

What defines the efficiency of points on the Production Possibility Boundary (PPB)?

<p>They utilize all available resources without waste. (B)</p> Signup and view all the answers

In the context of demand, what is the consequence of a price increase?

<p>Quantity demanded decreases. (D)</p> Signup and view all the answers

Which statement represents a positive correlation between two variables?

<p>As income decreases, spending decreases. (B)</p> Signup and view all the answers

Which of the following best describes opportunity cost?

<p>The potential gains from an alternative that are forfeited. (A)</p> Signup and view all the answers

Which of the following statements is an example of a normative statement?

<p>The government should implement a higher minimum wage. (A)</p> Signup and view all the answers

How does accelerated technological change impact economic systems?

<p>It often results in increased efficiency and productivity. (B)</p> Signup and view all the answers

In microeconomics, marginal decisions are primarily concerned with which of the following?

<p>The impact of increasing the total quantity produced or consumed. (D)</p> Signup and view all the answers

What does an index value of 100 represent?

<p>The base value itself for comparison. (D)</p> Signup and view all the answers

Which of the following economic systems focuses on the interaction of consumers and producers to answer economic questions?

<p>Free Market Economy (A)</p> Signup and view all the answers

How does an increase in the price of a good typically affect the demand curve?

<p>There is a movement along the curve but the curve itself does not shift. (D)</p> Signup and view all the answers

What is a defining characteristic of an endogenous variable?

<p>It is affected by changes in exogenous variables. (A)</p> Signup and view all the answers

What implication does a point inside the Production Possibility Boundary (PPB) have?

<p>It demonstrates inefficiency due to unused resources. (A)</p> Signup and view all the answers

Which outcome is indicative of negative correlation between two variables?

<p>As taxation increases, expenditure declines. (D)</p> Signup and view all the answers

What happens to the Production Possibility Boundary (PPB) when there is an increase in factors of production?

<p>The PPB shifts outward on both axes. (B)</p> Signup and view all the answers

Which key economic issue refers to disparities in wealth distribution within a society?

<p>Growing Income Inequality (B)</p> Signup and view all the answers

What result does a change in demand yield when all other factors remain constant?

<p>It shifts the demand curve to the right or left. (B)</p> Signup and view all the answers

What does an absolute value of the Own Price Elasticity of Demand signify?

<p>It simplifies calculations when determining changes in demand. (D)</p> Signup and view all the answers

If the Own Price Elasticity of Demand is greater than 1, what can we conclude about the relationship between price and quantity demanded?

<p>Demand is considered elastic. (C), An increase in price will lead to a proportionately larger decrease in quantity demanded. (D)</p> Signup and view all the answers

How does total expenditure (TE) behave for an elastic good when the price of the good increases?

<p>TE will decrease due to a larger proportional change in quantity demanded. (C)</p> Signup and view all the answers

In the context of total expenditure, what is the expected outcome when the price of an inelastic good decreases?

<p>Total revenue will decrease due to a small increase in quantity demanded. (B)</p> Signup and view all the answers

Which statement best represents the relationship between price and elasticity of demand?

<p>Elastic goods demonstrate a higher percentage change in quantity demanded compared to price changes. (A)</p> Signup and view all the answers

What effect does a higher own price elasticity of supply indicate regarding producer responsiveness?

<p>Producers will significantly increase supply with minimal price changes. (B)</p> Signup and view all the answers

What is the primary metric used to measure the responsiveness of quantity supplied to price changes?

<p>Own Price Elasticity of Supply (A)</p> Signup and view all the answers

Which scenario would demonstrate a good with inelastic demand?

<p>Quantity demanded changes very little in response to price increases. (C)</p> Signup and view all the answers

Under what condition does total revenue move in the direction of quantity demanded?

<p>When demand is elastic and price decreases. (D)</p> Signup and view all the answers

An increase in ______ causes the demand curve to shift outwards.

<p>demand</p> Signup and view all the answers

When demand increases, both ______ and quantity will increase.

<p>price</p> Signup and view all the answers

A decrease in demand causes a surplus at the original price, which pressures ______ to drop.

<p>prices</p> Signup and view all the answers

When supply increases, the equilibrium price will ______ and quantity will increase.

<p>decrease</p> Signup and view all the answers

A decrease in supply creates a shortage, resulting in an increase in ______.

<p>prices</p> Signup and view all the answers

At equilibrium, quantity demanded equals quantity ______.

<p>supplied</p> Signup and view all the answers

The equations representing the demand and supply curves are Qd = 100 - 3P and Qs = 20 + 2______.

<p>P</p> Signup and view all the answers

When demand decreases, the quantity demanded is now less than quantity ______.

<p>supplied</p> Signup and view all the answers

To find equilibrium, set Qd equal to Qs and solve for ______.

<p>P</p> Signup and view all the answers

Econ Surplus is the sum of the CS and PS and is represented by the area bounded by the y axis and the ______ curve up to the qty exchanged in the market.

<p>S &amp; D</p> Signup and view all the answers

Price floors, price ceilings, and quotas are considered inefficient because they result in a reduction in the quantity exchanged in the market, leading to a loss of economic ______.

<p>surplus</p> Signup and view all the answers

Firms can raise money by selling off ______ of ownership, which provide shareholders with a share of the firm's profits.

<p>shares</p> Signup and view all the answers

Accounting profits are calculated as total revenue minus explicit ______.

<p>costs</p> Signup and view all the answers

Economic profits include opportunity costs, which are also referred to as ______ costs.

<p>implicit</p> Signup and view all the answers

As P increases, quantity D ______.

<p>decreases</p> Signup and view all the answers

When the price of a substitute decreases, consumers will buy more of the ______.

<p>substitute</p> Signup and view all the answers

As consumers' tastes change towards a good, the demand for that good will ______.

<p>increase</p> Signup and view all the answers

A decrease in the price of inputs will cause the supply curve to shift ______.

<p>outward</p> Signup and view all the answers

Government taxes increase the cost of production, leading to a shift of the supply curve ______.

<p>inward</p> Signup and view all the answers

An increase in population typically results in an increase in ______.

<p>demand</p> Signup and view all the answers

When the price of a complement increases, the demand for the good being analyzed will ______.

<p>decrease</p> Signup and view all the answers

Es > 1 means % change in Qs > % change in P, indicating a good has ________ supply.

<p>elastic</p> Signup and view all the answers

When a tax is placed on a good, it creates a ________ shifted supply curve.

<p>tax</p> Signup and view all the answers

Income elasticity (Ey) measures the responsiveness of Qd to a change in ________.

<p>income</p> Signup and view all the answers

If Ey > 1, the good is considered ________.

<p>elastic</p> Signup and view all the answers

Complements are goods used ________, where an increase in the price of one leads to a decrease in the quantity demanded for the other.

<p>together</p> Signup and view all the answers

Substitutes are goods that can be used in ________ of one another.

<p>place</p> Signup and view all the answers

When Ey < 0, the good is defined as an ________ good.

<p>inferior</p> Signup and view all the answers

The burden of a tax on inelastic goods tends to fall more on the ________.

<p>consumer</p> Signup and view all the answers

When the price of Good Y increases, the quantity demanded of Good X will also increase if they are ________.

<p>substitutes</p> Signup and view all the answers

Disequilibrium prices are prices that are prevented from reaching ________.

<p>equilibrium</p> Signup and view all the answers

When prices are held too high, it creates excess supply (Qd < Qs) and the qty exchanged in the market is the ______.

<p>Qd</p> Signup and view all the answers

A ______ is a minimum price set in a market, such as a minimum wage.

<p>Price Floor</p> Signup and view all the answers

For a Price Ceiling to be binding, it must be set lower than the ______ price.

<p>equilibrium</p> Signup and view all the answers

The consumer places a higher value on the first unit consumed and a lower value on each ______ unit after.

<p>successive</p> Signup and view all the answers

The Supply curve represents the total cost of ______ a good.

<p>producing</p> Signup and view all the answers

Markets are called efficient when they maximize the Economic ______ in the market.

<p>Surplus</p> Signup and view all the answers

Consumer Surplus is the difference between how much the consumer ______ the product and the market price.

<p>values</p> Signup and view all the answers

In a price floor scenario, the quantity exchanged will be ______.

<p>Qd</p> Signup and view all the answers

For a Price Floor to be effective, it must be higher than the ______ price in the market.

<p>equilibrium</p> Signup and view all the answers

When prices are too low, it creates excess demand (Qd > Qs) and the qty exchanged in the market is the ______.

<p>Qs</p> Signup and view all the answers

Which scenario best illustrates the core problem that economics seeks to address?

<p>Society trying to satisfy unlimited wants with limited resources. (A)</p> Signup and view all the answers

What role do incentives play in the context of economic decision-making?

<p>Incentives are rewards that encourage actions and penalties that discourage actions. (B)</p> Signup and view all the answers

Differentiate between microeconomics and macroeconomics based on their primary areas of focus.

<p>Microeconomics examines individual choices and market interactions, while macroeconomics studies the performance of national and global economies. (A)</p> Signup and view all the answers

Which of the following questions falls under the scope of microeconomics?

<p>How does a company decide on the optimal price point for its new product? (A)</p> Signup and view all the answers

Which of the following scenarios is an example of a macroeconomic question?

<p>What measures can the central bank take to control inflation across the country? (D)</p> Signup and view all the answers

In economics, why is it important to understand 'what, how, and for whom' goods and services are produced?

<p>It helps analyze the efficiency and equity of resource allocation. (A)</p> Signup and view all the answers

What central question does the examination of choices made in the pursuit of self-interest promoting the social interest address?

<p>Whether individual actions can unintentionally benefit society as a whole. (A)</p> Signup and view all the answers

According to economic principles, when should an individual increase the level of an activity?

<p>When the marginal benefit from the activity surpasses its marginal cost. (C)</p> Signup and view all the answers

How do changes in incentives impact economic choices, according to economic theory?

<p>They change the marginal costs and benefits, leading to predictable shifts in choices. (B)</p> Signup and view all the answers

What differentiates a positive statement from a normative statement in economics?

<p>Positive statements can be tested against facts, while normative statements express opinions. (A)</p> Signup and view all the answers

Why do economists build and test economic models?

<p>To discover positive statements consistent with observations, helping us understand how the economic world works. (C)</p> Signup and view all the answers

In what capacity do economists blend positive and normative economics when advising on policy questions?

<p>They use positive economics to analyze the consequences of different policy options, while normative economics helps define the goals. (B)</p> Signup and view all the answers

According to the content, what is a significant contributor to global carbon emissions?

<p>Burning fossil fuels for electricity and transportation. (A)</p> Signup and view all the answers

Which of the following actions is presented as a way to lessen one's carbon footprint?

<p>Planting a tree. (A)</p> Signup and view all the answers

What question is raised regarding self-interested choices related to carbon emissions?

<p>Whether self-interested decisions align with the social interest of reducing carbon-dioxide concentration. (A)</p> Signup and view all the answers

What critical question does the content pose about banks' lending and borrowing activities?

<p>Whether banks lend too much in pursuit of profit, potentially destabilizing the economy. (C)</p> Signup and view all the answers

According to the 'economic way of thinking', how do people make rational choices?

<p>By comparing the benefits and costs of a decision. (C)</p> Signup and view all the answers

In economic terms, what does 'cost' primarily refer to when making a choice?

<p>What you must give up to obtain something. (C)</p> Signup and view all the answers

What type of decision is primarily made 'at the margin' according to the economic way of thinking?

<p>How-much choices. (D)</p> Signup and view all the answers

What role do governments play in influencing self-interested choices related to social interest?

<p>Governments can change incentives to align self-interested choices with the social interest. (C)</p> Signup and view all the answers

Which countries or regions are identified as the source of two-thirds of the world’s carbon emissions?

<p>The United States, China, the European Union, Russia, and India (A)</p> Signup and view all the answers

According to the key ideas of economic thinking, what is 'benefit' defined as?

<p>What you gain from something. (D)</p> Signup and view all the answers

In economics, what condition defines 'efficiency' in resource use?

<p>A situation where it's impossible to improve someone's situation without negatively affecting someone else. (A)</p> Signup and view all the answers

Which scenario best illustrates the tension between self-interest and social interest?

<p>A technology company creating planned obsolescence in their products to drive sales. (C)</p> Signup and view all the answers

Which of the following examples reflects a decision primarily driven by social interest?

<p>A government implementing a progressive income tax system. (D)</p> Signup and view all the answers

How does globalization potentially create a conflict between self-interest and social interest?

<p>By enabling companies to exploit lower labor costs in developing countries, harming domestic workers. (D)</p> Signup and view all the answers

What is the primary concern related to 'information-age monopolies' from a social interest perspective?

<p>The potential for these monopolies to stifle competition and control information. (D)</p> Signup and view all the answers

You are deciding whether to purchase domestically produced clothing or imported clothing. Buying the imported clothing is an example of:

<p>Potentially acting in both self-interest and against the social interest. (C)</p> Signup and view all the answers

How can technological advancements, such as those in the 'Information Revolution', create both self-interest gains and potential conflicts with social interest?

<p>By fostering innovation that increases consumer convenience but also raises concerns about privacy and data security. (B)</p> Signup and view all the answers

Which of the following scenarios best illustrates the concept of a tradeoff in economic decision-making?

<p>A city council debates between allocating funds to build a new park or improve the existing infrastructure. (A)</p> Signup and view all the answers

What is the primary criterion for determining whether a choice is rational from an economic perspective?

<p>Whether the choice maximizes personal benefit relative to cost for the decision-maker. (A)</p> Signup and view all the answers

Consider a scenario where a company decides to automate its production processes, leading to increased efficiency but also resulting in job losses. Which economic concept does this best illustrate?

<p>The tension between efficiency and equity. (D)</p> Signup and view all the answers

How do preferences primarily influence economic decision-making?

<p>By determining the benefits and pleasures a person associates with different options. (D)</p> Signup and view all the answers

What is a key difference in how self-interest and social interest consider costs and benefits regarding environmental protection policies?

<p>Self-interest focuses on the immediate costs while social interest also considers the long-term environmental benefits. (B)</p> Signup and view all the answers

Which scenario exemplifies the opportunity cost of attending a conference?

<p>The potential earnings from working at a job during the conference dates and the leisure activities missed. (C)</p> Signup and view all the answers

What does making a choice 'at the margin' typically involve?

<p>Comparing the incremental benefits and costs of making small changes to a plan. (D)</p> Signup and view all the answers

How does the economic way of thinking address the fundamental problem of scarcity?

<p>By emphasizing the need to make choices and tradeoffs due to limited resources. (B)</p> Signup and view all the answers

Which of the following best describes the relationship between costs, benefits, and rational choice?

<p>A rational choice involves comparing costs and benefits to achieve the greatest benefit over cost. (C)</p> Signup and view all the answers

In the context of opportunity cost, what is the key factor in determining the 'highest-valued alternative'?

<p>The preferences and priorities of the decision-maker. (D)</p> Signup and view all the answers

A student has an hour before class and can either study or socialize. How would they make a rational choice at the margin?

<p>By assessing whether the additional benefit of a few more minutes of studying outweighs the cost of missing a few minutes of socializing. (B)</p> Signup and view all the answers

How do incentives relate to choices, according to the 'economic way of thinking'?

<p>Choices respond to incentives, whether positive or negative. (D)</p> Signup and view all the answers

Flashcards

Economics

The study of how people make choices with limited resources.

Scarcity

Unlimited wants and needs, but limited resources.

Opportunity Cost

The value of the next best alternative given up.

PPB (Production Possibility Boundary)

Graphical representation of possible combinations of goods/services.

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Efficient Output

Utilizing all resources at maximum production.

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Inefficient Output

Production inside the PPB, resources not fully used.

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Unattainable Outcome

Output outside the PPB; insufficient resources.

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Traditional Economy

Economic decisions based on customs and traditions.

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Command Economy

Economic decisions controlled by a central authority.

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Free Market Economy

Economic decisions determined by consumer/producer interaction.

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Mixed Economy

Combines elements of all economic systems.

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Positive Statement

Testable statement about the world.

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Normative Statement

Statement of opinion or value judgment.

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Exogenous Variable

Independent variable influencing other variables.

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Endogenous Variable

Dependent variable influenced by others within the model.

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Correlation

Two variables occurring together.

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Causation

One variable directly influencing another.

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Index Number

Value in a year relative to a base year.

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Demand

Relationship of price and quantity demanded at each price.

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Supply

Relationship of price and quantity supplied at each price.

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Elasticity

Responsiveness of one variable to changes in another.

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Demand Curve Shape

The demand curve slopes downwards because as the price of a good increases, the quantity demanded decreases.

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Income Effect on Demand

As income increases, consumers tend to buy more of a good at all prices, shifting the demand curve outwards. Conversely, a decrease in income shifts the demand curve inwards.

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Substitute Goods

Goods that fulfill the same want or need. When the price of a substitute decreases, consumers buy less of the original good, shifting its demand curve inwards.

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Complementary Goods

Goods consumed together. When the price of a complement increases, the demand for the other good decreases, shifting its demand curve inwards.

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Supply Curve Shape

The supply curve slopes upwards because as the price of a good increases, producers are willing to supply more of it.

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Input Price Effect on Supply

An increase in input prices (e.g., raw materials, labor) makes production more expensive, leading to a decrease in supply at each price, shifting the supply curve inwards.

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Technology Impact on Supply

Improved technology typically increases the amount supplied at each price, shifting the supply curve outwards.

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Demand Curve Shift Outwards

When demand increases, the demand curve shifts outwards. This occurs due to factors like increased income, population growth, changing tastes, favorable weather, rising prices of substitutes, or decreasing prices of complements.

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Excess Demand

When the quantity demanded exceeds the quantity supplied at a given price, creating a shortage. This happens when demand increases but prices haven't adjusted yet.

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Equilibrium Adjustment after Demand Increase

After a demand increase, the market adjusts by moving up along the supply curve and the new demand curve to a new equilibrium point. This leads to both an increase in price and quantity.

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Demand Curve Shift Inwards

When demand decreases, the demand curve shifts inwards. This happens due to factors like decreasing income, declining population, changing tastes, unfavorable weather, falling prices of substitutes, or increasing prices of complements.

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Excess Supply

When the quantity supplied exceeds the quantity demanded at a given price, creating a surplus. This happens when demand decreases but prices haven't adjusted yet.

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Equilibrium Adjustment after Demand Decrease

After a demand decrease, the market adjusts by moving down along the supply curve and the new demand curve to a new equilibrium point. This leads to both a decrease in price and quantity.

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Supply Curve Shift Outwards

When supply increases, the supply curve shifts outwards. This occurs due to factors like lower input prices, reduced prices of substitutes, technological advancements, favorable weather, increased number of firms, or higher prices of complements.

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Equilibrium Adjustment after Supply Increase

After a supply increase, the market adjusts by moving down along the demand curve and the new supply curve to a new equilibrium point. This leads to a decrease in price and an increase in quantity.

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Supply Curve Shift Inwards

When supply decreases, the supply curve shifts inwards. This happens due to factors like higher input prices, increased prices of substitutes, technological setbacks, unfavorable weather, decreased number of firms, or lower prices of complements.

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Disequilibrium Price

A price that is not at the equilibrium point, leading to either excess supply or excess demand.

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Price Floor

A minimum price set by the government for a good or service.

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Binding Price Floor

A price floor that is set above the equilibrium price, creating an excess supply.

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Price Ceiling

A maximum price set by the government for a good or service.

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Binding Price Ceiling

A price ceiling that is set below the equilibrium price, creating an excess demand.

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Demand as Value

The demand curve represents the value a consumer places on each additional unit of a good. This value typically decreases with each additional unit consumed.

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Diminishing Marginal Utility

The decline in satisfaction or value gained from consuming each additional unit of a good.

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Supply as Cost

The supply curve represents the total cost of producing a good. As more is produced, the cost typically increases, leading to an upward sloping supply curve.

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Price Elasticity of Supply (Es)

Measures how responsive the quantity supplied of a good is to changes in its price. Calculated as the percentage change in quantity supplied divided by the percentage change in price.

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Elastic Supply

Occurs when the percentage change in quantity supplied is greater than the percentage change in price. Firms can easily adjust their production levels.

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Inelastic Supply

Occurs when the percentage change in quantity supplied is less than the percentage change in price. Firms find it difficult to adjust production quickly.

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Tax Incidence

The burden of a tax, indicating who ultimately bears the cost of the tax - consumers or producers.

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Tax Shifted Supply Curve

A supply curve that shifts to the left due to the imposition of a tax on a good.

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Income Elasticity of Demand (Ey)

Measures how responsive the quantity demanded of a good is to changes in consumer income. Calculated as the percentage change in quantity demanded divided by the percentage change in income.

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Normal Good

A good for which the quantity demanded increases as income increases. Has a positive income elasticity of demand (Ey > 0).

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Inferior Good

A good for which the quantity demanded decreases as income increases. Has a negative income elasticity of demand (Ey < 0).

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Cross-Price Elasticity of Demand (Exy)

Measures how responsive the quantity demanded of one good is to changes in the price of another good. Calculated as the percentage change in quantity demanded of good X divided by the percentage change in price of good Y.

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Complements

Goods that are used together. When the price of one good increases, the demand for the other good decreases, resulting in a negative cross-price elasticity (Exy < 0).

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Economic Surplus

The total benefit to society from a market. It's the sum of consumer surplus and producer surplus, representing the area under the demand and supply curves up to the equilibrium quantity exchanged.

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Deadweight Loss

The loss of economic surplus that occurs when a market is not operating at its efficient equilibrium, often due to government interventions like price controls or quotas.

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What's the difference between accounting and economic profit?

Accounting profit only considers explicit costs, like wages and rent. Economic profit adds implicit costs, like the opportunity cost of the owner's time and capital.

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Sole Proprietorship

A business owned and run by one person who is personally responsible for all debts and decisions.

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Incentive

A reward or penalty that influences an action or decision.

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Microeconomics

Studies choices of individuals and businesses.

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Macroeconomics

Studies the performance of national and global economies.

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Goods and Services

Objects that people value and produce to satisfy wants.

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Economic Questions

How choices determine production, and for whom.

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Daily Economic Choices

Economic choices made daily by individuals globally, influencing production decisions.

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Self-Interest

Making choices that are considered best for oneself.

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Social Interest

Choices that benefit society as a whole.

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Efficient Resource Use

Using resources so that making one person better off doesn't worsen another's situation.

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Equity

Concept of what is considered just or equitable.

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Globalization

Expansion of international trade, investment, and borrowing.

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Information-Age Monopolies

Firms dominate because of the information age.

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Information Revolution

Technological advancements in recent years.

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Globalization & Self-Interest

Low-cost imported goods.

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Marginal Benefit

The extra benefit from increasing an activity slightly.

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Marginal Cost

The extra cost from increasing an activity slightly.

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Economic Model

Simplified representation of an economic situation.

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Incentives and Social Interest

The role of incentives in aligning self-interest with the social interest.

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Carbon Footprint

The impact of individual choices on global carbon emissions.

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Benefit

Choices where you gain something.

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Cost

What you give up to get something.

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Choices at the Margin

Comparing the additional benefit versus the additional cost of a small increase in some activity.

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Choice as Tradeoff

All choices involve giving up something else.

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Rational Choice

When people compare costs and benefits.

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Carbon Emissions

The harm to the environment caused by the activity.

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Government Intervention

Regulations or taxes set to align incentives.

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Banks self-interest

Lending and borrowing can benefit both sides of the transaction.

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Choices and Incentives

Responding to rewards/penalties.

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Choosing at the Margin

Comparing benefit of a little more with its cost.

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Consequences of Incremental Change

Incremental changes in the use of your time.

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Scarcity and Choice

Tradeoffs must be made because resources are limited.

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Cost-Benefit Analysis

Comparing what is gained with what is given up.

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Subjectivity of Rationality

Influenced by personal preferences.

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Study Notes

Sept 26th - Equilibrium Analysis and Market Intervention

  • Under competitive market assumptions, individual firms/individuals are price takers and do not have enough power to influence prices in the whole market.
  • Equilibrium is achieved when the market is in equilibrium when demand equals supply (Qd = Qs), this is denoted as: Q* for quantity and P* for price.
  • If prices are too low, quantity demanded exceeds quantity supplied (Qd > Qs), creating excess demand or a shortage.
  • Shortages put upward pressure on prices until equilibrium is reached.

Disequilibrium Conditions

  • Prices that are are prevented from reaching equilibrium by government regulation are called Disequilibrium Prices.
  • With prices too high, there is greater supply than demand (surplus of supply greater) causing an excess (Qd < Qs). In a market where price can change there will be downward pressure until equilibirum is achieved again
  • Price ceilings and Price floors are put in place by the government, which causes diseconomies due to market interferance.

Price Floors

  • A minimum legal price is called a price Floor. Effective Price Floors must be higher than market price.
  • If the price floor is set higher than the equilibrium level it creates a surplus becuase supplies will supply more and demand is now lower (Qd < Qs).
  • Quantity in the market is now Qd.
  • Price floors are called "inefficient" because they create a deadweight loss as market surplus is not fully utilized.

Price Ceilings

  • A maximum legal prices is called a price ceiling. Effective Price ceilings must be lower than market price.
  • If the price ceiling is set less than the equilibrium level it creates a shortage becuase demand is now higher and supplies are supplying less(Qd > Qs).
  • Quantity in the market is now Qs.
  • Price ceilings are called "inefficient" because they create a deadweight loss as market surplus is not fully utilized.

Market Dynamics: Demand and Supply Shocks

  • When the market experiences a sudden change in demand it is described as a "Demand Shock", which cause shifts in the curve. A sudden change in supply is called a 'Supply Shock'

Market Equilibrium Dynamics

  • Market will stay in equilibrium under something happens to shift the equilibrium of the market. Any determinants shift D and S will shift the market as well.
  • Increase in Demand If the price is the same when D increases then Qs < Qd wich causes upward pressure in prices. Point E1 represents a new equilibrium.
  • Increase in D causes both price and qty to increase

D & S Shock #2 = "Decrease in Demand"

  • Decrease in Demand Demand curve shifts inwards. At price Po where Q is less than Qs, meaning Qs increases creating a surplus, this decreasing the price.
  • This shifts along the curve Qs in decreases causing equilibrium E2.
  • Both Price and Quantity decrease.

Market and Supply Shocks

  • Market experiences "Supply" increasing and shifting outwards (decrease in prices, substitutes, tech improves , weather etc) If the markets creates a shift that reduces Q which reduces pressure on D.
  • When Supply Increases the Price decreases and quantity will increases.
  • Market experiences "Supply" decreasing and shifting inwards which creates a storage to drive prices higher.
  • Supply decreases Q quantity decreases and prices increase.

Value and the Demand Curve (Oct 22nd Notes)

  • The demand curve is the "Value" the curve can represent to the customer.
  • Consumers value higher on the first unit until consuming at a higher level where less value is given (Would pay 10forthefirstcoffeeand10 for the first coffee and 10forthefirstcoffeeand8 one the second). The D curve can have multiple point with changing "value"" after each additional unit. -As consumption levels increase there is a diminishing marginal utility where there is less value after each unit, hence its the "Value of Comsuming)
  • Market is called "efficient when they maxilize the market in the "Economics Surpluds: ES in the market.

Economic Surplus / Efficiency

  • Econ surpuls is the sum of Consumers surplus.
  • Consumers place higher on the first unit until consuming at a higher level where less value is given (Would pay 10forthefirstcoffeeand10 for the first coffee and 10forthefirstcoffeeand8 one the second).
  • Consumers surplus represents the difference between between what the consumers value the product and price in which it is purchased in the market between the ""equipl price"".
  • E.g.The Consumer market is the difference between price and want consumers want is the difference between what consumers are happy ti purchase and and what the price is on ""y are willing"" to pay and the "actually have to pay"".

Producer Surpluds

  • Producer surplus represents the difference between cost of production and price exchanged in the market between the""equipl price"" E.g. Represents what the market area below price is

Economic Surplus

  • -The sum of CS and PS and is the relationship is the area bunded be the "y axis"" up the qty enchaned in the market"

"Inefficent"

  • ""Markets in aquil" "are considerecd effciency because it results in a loss of quantitiy exchanged" causes losses ""

NOV 7th

Business organization 1 - 3 "firm organization"

  • The firm are run by the owners and decision making is the same. the owner ar es the "decsion making"

"Corporations

  • Entities that have """"
  • Corporations which are set apart onto themeselfs. Corps"" debt where firm are set apart to make ""decsesion making"" ""

Firm and Financing

  • The firm is set to decide how to "" """""Owner ship""
  • The firms """"
  • ""receive ""

Shareholders

  • are the paif after firms "have"" been ""

Debt

  • the firm must pay ""

  • Bond must pay ""

  • A product is made by the equation which shows"" ""capital (K) and Labour (L) can be combined""

  • The state of the technology."""

-"" is equation.

  • see (Q) in chapter.

Accounting profits.

  • is the total revenue "" ""
  • the costs"" ""actual costs"" " (wages rents, inputs)"" "- the equation "" """"the business"", """"- ""starting"", ""an opportunity ""
  • that includes"" money ""taken, savings ""those will be cost

Cost curve

Is the total revenues (Q)

Average curves

  • Cost curve "" "" -

Economic Profits and signals

  • "" the curve are doing well and ""

""there has been""

  • is doing "" ""better"" ".

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