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Questions and Answers
You want to run a Mincerian regression to find the effect of education on wages while controlling for individual time-invariant unobservable characteristics. Which of the proposed methods correctly achieves this?
You want to run a Mincerian regression to find the effect of education on wages while controlling for individual time-invariant unobservable characteristics. Which of the proposed methods correctly achieves this?
- Calculate the mean-deviation of wage and education for each individual, then run an OLS with the de-meaned variables.
- For each individual, subtract the wage (and education) of period 1 from that of period 2, period 2 from period 3, and so on. Then run an OLS of the differenced variables.
- Add n-1 dummy variables, one for each individual (except one) and then run an OLS.
- All of the above. (correct)
Consider the following utility functions over two goods x and y:
u1(x,y) = ax + by
u2(x,y) = x^a * y^b
u3(x,y) = a ln(x) + b ln(y)
Which of the three utility functions have the same marginal rates of substitution for any given values of x and y?
Consider the following utility functions over two goods x and y:
u1(x,y) = ax + by u2(x,y) = x^a * y^b u3(x,y) = a ln(x) + b ln(y)
Which of the three utility functions have the same marginal rates of substitution for any given values of x and y?
- u1(x,y) and u2(x,y)
- u2(x,y) and u3(x,y) (correct)
- u1(x,y) and u3(x,y)
- None of the above
A social planner has a Utilitarian social welfare function. The planner assumes that all individuals in the society have identical utility functions with diminishing marginal utility of money. What is the impact of transferring money from the rich to the poor?
A social planner has a Utilitarian social welfare function. The planner assumes that all individuals in the society have identical utility functions with diminishing marginal utility of money. What is the impact of transferring money from the rich to the poor?
- Not enough information to determine the change in social welfare
- Leave social welfare unchanged
- Decrease social welfare
- Increase social welfare (correct)
Suppose a person choosing between fish (x) and money (y) has the following utility function: $u(x, y) = y + 10x - x^2$. Let the price of fish be 2 and the price of money be 1. If the person has a budget of 30, find the amount of fish the person can buy to maximise their utility.
Suppose a person choosing between fish (x) and money (y) has the following utility function: $u(x, y) = y + 10x - x^2$. Let the price of fish be 2 and the price of money be 1. If the person has a budget of 30, find the amount of fish the person can buy to maximise their utility.
Under which of the following conditions will a tax increase NOT cause any deadweight loss?
Under which of the following conditions will a tax increase NOT cause any deadweight loss?
Consider the following payoff matrix between player 1 (rows) and player 2 (columns):
H M L
h 2,2 3,3 4,4
m 3,5 5,1 2,4
l 4,2 2,2 5,3
What is the Nash Equilibrium in pure strategies in this game?
Consider the following payoff matrix between player 1 (rows) and player 2 (columns):
H M L
h 2,2 3,3 4,4 m 3,5 5,1 2,4 l 4,2 2,2 5,3
What is the Nash Equilibrium in pure strategies in this game?
When a binary categorical variable is coded as 0/1, what statistical measure does the sample proportion represent?
When a binary categorical variable is coded as 0/1, what statistical measure does the sample proportion represent?
If events A and B are independent, which of the following statements regarding their relationship or probabilities is correct?
If events A and B are independent, which of the following statements regarding their relationship or probabilities is correct?
Given three plots with varying distributions (Negative Direction, Symmetrical, and Positive Direction), how do the mean and median relate to each other across these plots?
Given three plots with varying distributions (Negative Direction, Symmetrical, and Positive Direction), how do the mean and median relate to each other across these plots?
An oil company has independent projects in Asia (success probability 0.4) and Europe (success probability 0.7). If the Asian project fails, what is the probability that the European project also fails?
An oil company has independent projects in Asia (success probability 0.4) and Europe (success probability 0.7). If the Asian project fails, what is the probability that the European project also fails?
Regarding hypothesis testing, which statement accurately reflects the approach to and interpretation of results?
Regarding hypothesis testing, which statement accurately reflects the approach to and interpretation of results?
Consider the regression equation $Y = \beta_0 + \beta_1x_2 + \beta_2(x*z) + \epsilon$. How does the variable 'z' affect the relationship between $x$ and $Y$?
Consider the regression equation $Y = \beta_0 + \beta_1x_2 + \beta_2(x*z) + \epsilon$. How does the variable 'z' affect the relationship between $x$ and $Y$?
Based on sectoral composition of GDP, what is the most accurate conclusion regarding the Indian economy's structural changes?
Based on sectoral composition of GDP, what is the most accurate conclusion regarding the Indian economy's structural changes?
What is the value of the multiplier in an economy with a marginal propensity to consume (MPC) of 0.25?
What is the value of the multiplier in an economy with a marginal propensity to consume (MPC) of 0.25?
Economists in India have observed a steady decline in the employment elasticity of growth. What primarily contributes to this trend?
Economists in India have observed a steady decline in the employment elasticity of growth. What primarily contributes to this trend?
What implications arise from a Balance of Payments surplus for a country?
What implications arise from a Balance of Payments surplus for a country?
As a government official responding to a financial market crisis, which policy measure demonstrably counters the crisis's escalation?
As a government official responding to a financial market crisis, which policy measure demonstrably counters the crisis's escalation?
Which scenario demonstrates a diminishing rate of marginal substitution between items A and B?
Which scenario demonstrates a diminishing rate of marginal substitution between items A and B?
Based on the provided enjoyment levels, what is the Nash Equilibrium for Mallika and Azad's activity choice?
Based on the provided enjoyment levels, what is the Nash Equilibrium for Mallika and Azad's activity choice?
What is the likely outcome in a competitive market after the government imposes a tax?
What is the likely outcome in a competitive market after the government imposes a tax?
Given the macroeconomic data (Consumption = 40, Investment = 10, Government Spending = 40, Exports = 15, Imports = 20), what is the aggregate demand in this country?
Given the macroeconomic data (Consumption = 40, Investment = 10, Government Spending = 40, Exports = 15, Imports = 20), what is the aggregate demand in this country?
Given the consumption function C = 10 + 0.5Y, Investment (I) = 10, Government Spending (G) = 30, Exports (X) = 15, and Imports (M) = 5, what is the equilibrium income?
Given the consumption function C = 10 + 0.5Y, Investment (I) = 10, Government Spending (G) = 30, Exports (X) = 15, and Imports (M) = 5, what is the equilibrium income?
How is the value added of government production typically measured when calculating GDP?
How is the value added of government production typically measured when calculating GDP?
Consider two goods: A and B. If the cross-price elasticity of demand is positive, this indicates that:
Consider two goods: A and B. If the cross-price elasticity of demand is positive, this indicates that:
Suppose an economy experiences both inflation and a decrease in real GDP. Which of the following policy combinations would be MOST effective in addressing these issues?
Suppose an economy experiences both inflation and a decrease in real GDP. Which of the following policy combinations would be MOST effective in addressing these issues?
Which scenario best illustrates a firm operating without the issue of moral hazard?
Which scenario best illustrates a firm operating without the issue of moral hazard?
A student living in a hostel plays loud music at 1:35 AM. Which statement is true regarding externalities?
A student living in a hostel plays loud music at 1:35 AM. Which statement is true regarding externalities?
An indifference curve is shaped as a straight line. What does this indicate about the consumer's preferences?
An indifference curve is shaped as a straight line. What does this indicate about the consumer's preferences?
Mallika and Bala's enjoyment levels for playing hockey or cricket are shown. Based solely on the provided payoffs, what is the Nash Equilibrium?
Bala
Cricket Hockey
Mallika
Cricket 3,5 1,1
Hockey 4,3 6,2
Mallika and Bala's enjoyment levels for playing hockey or cricket are shown. Based solely on the provided payoffs, what is the Nash Equilibrium?
Bala
Cricket Hockey
Mallika
Cricket 3,5 1,1
Hockey 4,3 6,2
In a competitive market, what is the likely outcome of a tariff?
In a competitive market, what is the likely outcome of a tariff?
If autonomous consumption increases, what is the direct and immediate effect on the aggregate demand (AD) curve?
If autonomous consumption increases, what is the direct and immediate effect on the aggregate demand (AD) curve?
Assume that the government implements a policy that successfully reduces information asymmetry in the market for used cars. What is the likely economic outcome?
Assume that the government implements a policy that successfully reduces information asymmetry in the market for used cars. What is the likely economic outcome?
A local government imposes a rent control that is below the market equilibrium rent. Which of the following scenarios is most likely to result?
A local government imposes a rent control that is below the market equilibrium rent. Which of the following scenarios is most likely to result?
Which concept is the passage primarily illustrating regarding wealth distribution?
Which concept is the passage primarily illustrating regarding wealth distribution?
What is the central contradiction that Ambedkar identifies in India's socio-political structure post-1950?
What is the central contradiction that Ambedkar identifies in India's socio-political structure post-1950?
Based on Ambedkar's statement, which of the following scenarios best represents the inequality he describes?
Based on Ambedkar's statement, which of the following scenarios best represents the inequality he describes?
Based on data from the India Lights platform, if region A shows consistently higher light output than region B, what inference can be most reliably drawn?
Based on data from the India Lights platform, if region A shows consistently higher light output than region B, what inference can be most reliably drawn?
According to the 'State of Working India 2023' report, what relationship exists between a husband's income and the likelihood of his wife working, particularly in urban areas?
According to the 'State of Working India 2023' report, what relationship exists between a husband's income and the likelihood of his wife working, particularly in urban areas?
Which statement best identifies the potential factors influencing a U-shaped relationship between a husband’s income and women working?
Which statement best identifies the potential factors influencing a U-shaped relationship between a husband’s income and women working?
What does it mean for votes to be differently weighted?
What does it mean for votes to be differently weighted?
In the scenario that votes are differently weighted because of economic and social factors, what outcomes are most likely?
In the scenario that votes are differently weighted because of economic and social factors, what outcomes are most likely?
Flashcards
Mincerian Regression Methods
Mincerian Regression Methods
All three methods (A, B, and C) are valid approaches to address individual time-invariant unobservable characteristics in a Mincerian regression.
MRS Equivalence
MRS Equivalence
u2(x,y)=xayb and u3(x,y)=a ln(x) + b ln(y) have the same marginal rates of substitution.
Utilitarian Welfare & Transfers
Utilitarian Welfare & Transfers
Increase social welfare because of the diminishing marginal utility of money.
Utility Maximization (Fish & Money)
Utility Maximization (Fish & Money)
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Tax and Deadweight Loss
Tax and Deadweight Loss
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Sample Proportion
Sample Proportion
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Independent Events & Complements
Independent Events & Complements
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Mean vs. Median Skew
Mean vs. Median Skew
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Independent Events Probability
Independent Events Probability
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Hypothesis Testing
Hypothesis Testing
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Interaction Term Coefficient
Interaction Term Coefficient
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Firm Observes Worker Effort
Firm Observes Worker Effort
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Externality
Externality
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Negative Externality
Negative Externality
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Perfect Substitutes
Perfect Substitutes
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Nash Equilibrium
Nash Equilibrium
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Deadweight Loss
Deadweight Loss
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Tariff
Tariff
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GDP Measurement
GDP Measurement
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Structural Change (GDP)
Structural Change (GDP)
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Multiplier Effect
Multiplier Effect
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Employment Elasticity of Growth
Employment Elasticity of Growth
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Balance of Payments Surplus
Balance of Payments Surplus
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Tax in a Competitive Market
Tax in a Competitive Market
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Aggregate Demand
Aggregate Demand
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Equilibrium Income
Equilibrium Income
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Government Production in GDP
Government Production in GDP
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Calculating Aggregate Demand
Calculating Aggregate Demand
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Equilibrium Income (in macroeconomics)
Equilibrium Income (in macroeconomics)
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Gross Domestic product (GDP)
Gross Domestic product (GDP)
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Wealth Distribution
Wealth Distribution
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One Man, One Value (Critique)
One Man, One Value (Critique)
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Night Lights as Economic Indicator
Night Lights as Economic Indicator
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U-Shaped Relationship: Women's Work and Husband's Income
U-Shaped Relationship: Women's Work and Husband's Income
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Life of Contradictions
Life of Contradictions
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Unequal Voters
Unequal Voters
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More Lights, More Economy
More Lights, More Economy
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Husband's Income Threshold
Husband's Income Threshold
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Study Notes
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Pure public good example: Indian Army
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Breaking up a monopoly into a competitive market leads to a higher price, assuming other factors remain constant.
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Pareto efficiency is ensured through rationing.
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Air pollution in Delhi is the most likely to generate a negative externality.
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L-shaped indifference curve indicates perfect complements.
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Utility function u(XA,XB) = XA² - 10XA + XB, with P_A = 2, P_B = 1, and a budget of 20, yields an utility-maximizing level of consumption for good A of 3.
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If A=B/3 in a Lorenz curve, the Gini coefficient is 0.25 (given A is the blue shaded area).
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If government increases GST on sports equipment and does not change the price of sports equipment, the incidence of the tax increase falls entirely on the producer.
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If an expected utility maximizer with u(x) = √x is presented with a lottery where they may win Rs 10,000 with a 5% probability, the maximum they'll pay for lottery is Rs. 25.
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In game theory, the Nash equilibrium (I,L) is Pareto efficient.
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With 3% inflation and a 5% income increase, real income increases by 2%.
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Crowding out: Higher government spending (G) leads to lower private investment.
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In a 4-sector economy with C=Co + c(Y-tY), I=Io, G=Go, X=Xo, and M=Mo+mY, the multiplier is 1/(1-c+ct+m).
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If GNP = 34,000 (Rs. crores) and NFIA = -3,000 (Rs. crores), then GDP = 37,000 (Rs. crores).
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Multiplier value in an economy with MPC of 0.25 is 1.33.
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A Phillips curve shows a temporary trade-off between inflation and unemployment.
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In India, low interest rates is not likely a cause of the current high inflation.
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Results indicate government spending multipliers are below unity.
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In Good Times, multipliers in the US are below unity, regardless of slack in the economy.
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If RBI increases the repo rate, it's usually to reduce inflation, not increase it.
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Caste, religion, and gender affect educational outcomes in India.
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In a capitalistic economy, private owners of capital hire wage labor to produce for profit.
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The vast majority of workers are in the agricultural sector, but this sector has the lowest contribution to GDP in India.
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Inequality of asset ownership > Inequality of income > Inequality of consumption.
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India's recent economic growth = high growth in the last decades has been associated with low levels of employment growth
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Roughly, the GDP per capita in India in 2017 is $2000
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India's informal labor force is larger than its formal labor force
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Liberalization example: De-licensing of industries
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Primary reason for the fall in growth rates in 1965-66 = failure of monsoons
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Given wage data, lack of information restricts wage comparison
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From a histogram, the mean distribution is greater than the median.
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An additional agricultural income = the mean, median, and variance of distribution would increase.
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E(Y₁) = constant with zero variance.
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In regressions on country-level data, Ruggedness is an index of terrain ruggedness.
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If Africa is a dummy variable = 1 if the country is in Africa.
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There is one unit increase in distance to coast in an African country = indicates a 0.948 average decrease in log(GDP)
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Constant in regression 1 represents log(GDP) of a non-African country with ruggedness index of '0'.
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African countries poorer & ruggedness increases per capita income.
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Can't conclude that there's no crowding out of private investment.
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One should understand the case for using Instrumental Variable approach.
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Large sample t-statistic larger than 2 = evidence against the hypothesis, it is unlikely.
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Mincerian regression: Three methods proposed calculate mean-deviation.
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Three utility functions = u1(x,y)=ax+by, u2(x,y)=xᵃyb, u3(x,y)=a ln(x) + b In(y).
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Following are considered similar rates of substitution for x and y = B) u2(x,y) and u3(x,y)
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A Utilitarian social welfare with functions which have a diminishing marginal utility of money = will lead to greater wealth divide
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Utility function: u(x, y) = y + 10x - x². Price of fish is 2, the price of money is 1 and budget is 30 = maximum of 4 units
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Increase not cause loss, if supply or demand is inelastic.
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Tax is lumpsump.
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Understanding the payoffs and payoffmatrix between player 1/2 = is Pareto efficient
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Choice between lottery of Rs 100. If person is choosing a sure amount of Rs 50 =, the person must be risk averse
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Consider indifference curve of two goods; the slope is equal to the marginal rate of substitution between the two goods.
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Understanding the different types of utility functions.
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Understanding the concept of price elasticity and GST.
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Traffic in Bangalore.
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A government law restricting the number of vehicles.
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Quantity theory: The Quantity Theory of Money increases the value of money supply and the velocity of money in an economy.
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Government increasing infrastructural- Higher unemployment
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Solow model: This predicts steady growth through productivity and capital accumulation.
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Understanding multiplier in a closed economy. Interest rates etc.
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If government increases its spending, inflation could increase.
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Consequences of a fiscal expansion: An increase in the trade deficit
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If real GDP is lower than Nominal GDP, inflation is positive.
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Can be applied despite ex and cubic term =-√n indicates the degrees of freedom.
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Sample proportion as see
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In set theory. A and B complement are indepedent
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One cannot use past wages to determine future wages
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Even if weakly rejects null. it will reject
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A Predicted Value regression model; the red are the residuals.
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Mileage does effect car speeds; at 1% effects gas mileage.
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Salary based on your good prediction turns out to be: Scatter
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Level of significance always fixed for certain percent.
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Why 1920 Great Divide: A) D) Population significanty rose after the Great War.
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Speacial Act due to FDI.
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Primary aims are prudece is budgetary decision.
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Control Money Supply is not allowed.
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MGNREGA cannot be appli cable to citizens everywhere.
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1979 rise caused by failure.
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Surplus. total capital equals rate=10% A=B
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Not true for all casts.
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Labour is measured through working employment.
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Not true for indiana Agri.
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A) = D) Is not correct.
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Need to make hypothesis
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If uniform,
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Best guess.
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Heigh propor inches
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Error of mean
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Test means and procedures.
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Insurance of 10 to be of accident
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B/A = A/B, and so on.
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Same decrease and increase
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Free policy, easy rate.
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Cannot simultaneously consumption decrease
"
==Start of Summeries
- Public Good and the Indian Army: The Indian Army exemplifies a pure public good, providing national defense services to all citizens without direct individual payment.
- Market Dynamics After Monopoly Breakup: When a market transitions from monopoly to competition, prices typically increase, assuming all other conditions remain the same.
- Rational Consumption and Utility Maximization: Given an individual's utility function and budget constraints, understanding how to maximize consumption in a market.
- Public Health and Negative Externalities: Air pollution in Delhi represents a clear example of a negative externality.
- Gini Coefficient: The Gini coefficient represents an important metric for understanding wealth distribution.
- Game Theory and Pareto Efficiency: The Nash equilibrium (I,L) is Pareto efficient.
- Monetary Policy and Inflation: The effectiveness of monetary policy is influenced by the slopes of the IS and LM curves, which represent the equilibrium in the goods and money markets, respectively.
- The RBI (Reserve Bank of India to reduce the rate by reducing interest and so forth. Indian labour more for lower.
- The Mincer model is used to generate employment and wages.
- Economists are to study in India.
- The Indian economy in 1960s caused monsoons
- The GINI is greater.
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