A) efficient scale.
B) a level of output at which average total cost is rising.
C) a level of output at which average total cost is falling.
D) the level of output at which total revenue is maximized.
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Multiple Choice
A) Firm A
B) Firm B
C) Firm C
D) There is no reason to believe that any one of the three firms would spend a greater portion of its total revenue on advertising than the other two firms.
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Multiple Choice
A) brand name identity increases the effectiveness of markets.
B) brand name identity can be detrimental to the profitability of a firm.
C) advertising is ineffective in salvaging perceptions of product quality.
D) advertising cannot be used to establish brand loyalty.
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Multiple Choice
A) marginal revenue is equal to marginal cost.
B) average total cost is equal to marginal revenue.
C) average total cost is equal to price.
D) average revenue exceeds average total cost.
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Multiple Choice
A) they will still earn zero economic profit.
B) they can earn positive economic profit by increasing market share.
C) the market price must fall.
D) the market price must rise.
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Multiple Choice
A) tells economists little about the desirability of a market outcome.
B) is the primary source of market inefficiency in monopolistically competitive markets.
C) is a characteristic of rising average total cost curves.
D) implies that the quantity demanded exceeds the quantity produced.
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Multiple Choice
A) have a profit of $48 million per year.
B) have a profit of $36 million per year.
C) incur a loss of $12 million per year.
D) exit the industry.
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Multiple Choice
A) signals the quality of its new product to consumers.
B) signals that it is not a profit maximizer.
C) is detracting from the efficiency of markets.
D) will drive Firm A out of the market.
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Multiple Choice
A) Advertising and sales promotion
B) Profit maximization according to the MR = MC rule
C) Firms being price takers rather than price makers
D) Horizontal demand and marginal revenue curves
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Multiple Choice
A) not in a long-run equilibrium.More businesses will enter the hair treatment market in the long-run.
B) not in a short-run equilibrium.
C) not in a long-run equilibrium.Some businesses currently in the hair treatment market will exit the market in the long-run.
D) in a long-run equilibrium.
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Multiple Choice
A) firms will exit this market.
B) firms will enter this market.
C) this market is in long-run equilibrium.
D) this firm is operating at efficient scale.
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Multiple Choice
A) The market is currently in a long-run equilibrium.
B) The market price is likely to fall.
C) Firms are likely to enter the market since firms are earning a positive economic profit.
D) Firms are likely to leave the market since firms are earning a negative economic profit.
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Multiple Choice
A) enhance the social welfare of society.
B) increase the number of local fast-food restaurants.
C) reduce barriers to entry in imperfect markets.
D) reduce the competitive nature of local fast-food markets.
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Multiple Choice
A) A downward shift in the marginal cost curve for each firm
B) An upward shift in the marginal cost curve for each firm
C) A decrease in demand for each firm
D) An increase in demand for each firm
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Multiple Choice
A) associated with advertising.
B) associated with the product-variety externality.
C) associated with intermediate materials.
D) associated with taxes and regulation.
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Multiple Choice
A) price is equal to average total cost.
B) price is equal to marginal cost.
C) price is equal to marginal revenue.
D) the firm operates at its efficient scale.
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Multiple Choice
A) Monopoly only
B) Monopoly and monopolistic competition only
C) Monopoly, monopolistic competition, and perfect competition
D) The answer cannot be determined without knowing whether the market is in the long run or short run.
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Multiple Choice
A) price may exceed marginal revenue, but in the long run, price equals marginal revenue.
B) price may exceed marginal cost, but in the long run, price equals marginal cost.
C) price may exceed average total cost, but in the long run, price equals average total cost.
D) there are many firms in the market, but in the long run, there are only a few firms in the market.
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True/False
Correct Answer
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Multiple Choice
A) (i) and (ii) only
B) (ii) and (iii) only
C) (ii) only
D) (i) , (ii) , and (iii)
Correct Answer
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