The existence of externalities is due mainly to the fact that
A) monopolies tend to produce too little of a good anyway.
B) the optimal level of pollution is zero.
C) pollution is not a serious problem.
D) property rights are poorly defined.
D
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Suppose you have $400 to invest at a nominal interest rate of 7 percent, and the investment's term to maturity is 1 year. If the inflation rate is 2 percent, then the real return on your investment is approximately
A) $8. B) $20. C) $28. D) $36.
Suppose the nation is producing at a point on its PPF. If the marginal cost of producing one more computer is greater than the marginal benefit, the nation is producing
A) too few computers to be allocatively efficient. B) too many computers to be allocatively efficient. C) the correct number of computers to be allocatively efficient. D) at the point of allocative efficiency. E) More information is needed to determine if the nation is or is not producing at the allocatively efficient point.