Where marginal cost is less than average total cost,
a. opportunity cost must have been excluded from the calculation of marginal cost.
b. marginal cost must be falling.
c. marginal cost must be rising.
d. marginal cost may be rising, falling, or constant.
D
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Which of the following is a problem in pursuing monetary policy?
A) The lag between a change in the quantity of money and its effect on economic activity may be long. B) The Fed must reveal to the public anytime the Fed changes its policy. C) Monetary policy must be approved by the Congress. D) The Fed cannot control the federal funds rate. E) None of the above answers is correct.
The shortage created by a price ceiling will likely be
A) smaller if the good is a necessity. B) larger if the good is addictive. C) smaller if the good is a luxury. D) unaffected by the time that has elapsed since the price ceiling is implemented. E) None of the above answers is correct.