In the short run, product differentiation enables firms in monopolistically competitive markets to:
A. produce a good for which there are exact substitutes.
B. produce a good which is standardized.
C. price the good at marginal cost.
D. earn a positive economic profit.
D. earn a positive economic profit.
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If both the marginal cost and the average variable cost curves are U-shaped, which of the following is true over the range of output for which the average variable cost curve has a negative slope? a. The marginal cost curve must have a negative slope
b. The average total cost curve must have a negative slope. c. The marginal cost curve is below the average variable cost curve. d. both (b) and (c) are correct.
The government wants to improve the irrigation system for farmers by setting up wells. The farmers, in return, would have to pay a sum of $100 each. Many farmers are aware that even if they do not pay, other farmers will pay for it and the required sum of money would easily be collected. This problem can be avoided by: a. taking the help of the law
b. forming an association and putting social pressure to make sure all the farmers pay. c. imposing an extra tax on the farmers who do not pay for the irrigation system. d. preventing all the farmers from using the well.
Which of the following statements is correct?
A. The actual reserves of a commercial bank equal its excess reserves minus its required
reserves.
B. A bank's liabilities plus its net worth equal its assets.
C. When borrowers repay bank loans, the supply of money increases.
D. A single commercial bank can safely lend a multiple amount of its excess reserves.
The decision in the U.S. Steel case:
A. reflected a behavioralist approach to antitrust. B. reflected a structuralist approach to antitrust. C. divided U.S. Steel into a number of smaller companies. D. ruled that U.S. Steel had engaged in illegal price-fixing.