In the last 15 years, the U.S. Lorenz curve has
a. become a straight line
b. become a decreasing curve
c. moved closer to the diagonal
d. moved further from the diagonal
e. not shifted but there has been an upward movement along the curve
D
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Suppose the market consists of 3 individuals: Citizen A, Citizen B and Citizen C. 
If the good shown on the graphs is a public good, then the marginal benefit of the 30th unit is:
A. $4 B. $30 C. $2 D. $9
Exhibit 14-8 Aggregate demand and supply
?
In Exhibit 14-8, when aggregate demand shifts from AD4 to AD5, the economy experiences:
A. cost-push inflation. B. cost-pull inflation. C. demand-push inflation. D. demand-pull inflation.
A situation in which society may not be able to rank its preferences consistently through paired-choice majority voting refers to:
A. logrolling. B. the paradox of voting. C. the median-voter model. D. the special-interest effect.
The lack of job information for workers would be an example of which explanation for wage differentials among workers?
A. Noncompeting groups B. Compensating differences C. Market imperfections D. Principal-agent problems