Which of the following is true about public goods?
A. They are excludable since those who do not pay for them can be excluded from enjoying them.
B. They will be over supplied by the private sector.
C. They are only produced by government agencies.
D. They bestow collective benefits on members of society.
Answer: D
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Do economists tend to favor a system in which power plants buy and sell the right to pollute in the form of emission credits?
A. Yes; they encourage all firms to cut pollution by the same percentage. B. No; it is possible for some firms to do nothing if they simply buy enough credits. C. Yes; they believe that such a proposal would achieve a level of pollution reduction with the lowest cost to society. D. No; these programs are ineffective because they encourage major polluters to free ride on the efforts of others.
When an employee at a grocery store scans the price of your items, bags the groceries, and collects your paper, the individual has provided
A) physical capital. B) entrepreneurship. C) a service. D) land.
Of the following explanations for why crime fell from 1990 to 2014, which does the Brennan Center suggest had an impact in the 1990s, but not after?
A. Longer effective sentences B. The decrease in the number of police C. Lower rates of incarceration D. CompStat usage
Everything else equal, an appreciation of the dollar will:
A) cause the net exports of the U.S. to increase. B) cause the U.S. GDP to fall. C) not affect U.S. GDP. D) cause the U.S. GDP to increase.