Suppose the market for oranges is perfectly competitive and unregulated. Suppose also that the chemicals used to keep the oranges insect-free damage the environment by an estimated $1 per bushel of oranges. Suppose QD = 1000 - 100P and QS = -100 + 100P. The "optimal" amount of environmental damage would be
a. $0
b. $40
c. $450
d. $500
b
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The above figure shows the U.S. market for replacement cell phone batteries. With free trade, the United States imports ________ batteries and once the tariff illustrated in the figure is imposed, the United States imports ________ batteries
A) 900,000; 700,000 B) 800,000; 400,000 C) 300,000; 100,000 D) 700,000; 300,000 E) 900,000; 100,000
Economies of scale refer to the range of output over which
A) marginal cost exceeds average cost. B) the long-run average cost falls as output increases. C) the marginal product of labor diminishes. D) the long-run average cost is less than the short-run average total cost.
A perfectly competitive firm is allocatively efficient because price is identical to marginal cost at every quantity
a. True b. False
Which of the following statements about an increasing-returns-to-scale industry is not true?
a. It will tend to concentrate production in the hands of a very few large firms. b. Firms in the industry face higher costs per unit of production as their level of output increases. c. Opportunity costs may rise with the level of output in such industries. d. Tariffs can be used to stimulate production by a domestic industry capable of achieving increasing returns to scale. e. The costs of producing a unit of output fall as more output is produced in such industries.