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In the long run,a profit-maximizing firm in a monopolistically competitive market operates at


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.

E) A) and B)
F) C) and D)

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Firm A produces and sells in a market that is characterized by highly differentiated consumer goods.Firm B produces and sells industrial products.Firm C produces and sells an agricultural commodity.Which firm is likely to spend the greatest portion of its total revenue on advertising?


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.

E) All of the above
F) C) and D)

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A recent outbreak of hepatitis was linked to a national fast-food restaurant chain.This is an example of a case in which


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.

E) None of the above
F) C) and D)

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The profit-maximizing rule for a firm in a monopolistically competitive market is to always select the quantity at which


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.

E) B) and D)
F) A) and C)

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When monopolistically competitive firms advertise,in the long run


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.

E) A) and D)
F) C) and D)

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Excess capacity


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.

E) All of the above
F) A) and B)

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Scenario 17-2 Consider the problem facing two firms, Firm A and Firm B, in the fast-food restaurant market. Each firm has just come up with an idea for a new fast-food menu item which it would sell for $4. Assume that the marginal cost for each new menu item is a constant $2, and the only fixed cost is for advertising. Each company knows that if it spends $12 million on advertising it will get 2 million consumers to try its new product. Firm A has done market research which suggests that its product does not have any "staying" power in the market. Even though it could get 2 million consumers to buy the product once, it is unlikely that they will continue to buy the product in the future. Firm B's market research suggests that its product is very good, and consumers who try the product will continue to be consumers over the ensuing year. On the basis of its market research, Firm B estimates that its initial 2 million customers will buy one unit of the product each month in the coming year, for a total of 24 million units. -Refer to Scenario 17-2.If firm B decides to advertise its product it can expect to


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.

E) B) and C)
F) A) and D)

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Scenario 17-2 Consider the problem facing two firms, Firm A and Firm B, in the fast-food restaurant market. Each firm has just come up with an idea for a new fast-food menu item which it would sell for $4. Assume that the marginal cost for each new menu item is a constant $2, and the only fixed cost is for advertising. Each company knows that if it spends $12 million on advertising it will get 2 million consumers to try its new product. Firm A has done market research which suggests that its product does not have any "staying" power in the market. Even though it could get 2 million consumers to buy the product once, it is unlikely that they will continue to buy the product in the future. Firm B's market research suggests that its product is very good, and consumers who try the product will continue to be consumers over the ensuing year. On the basis of its market research, Firm B estimates that its initial 2 million customers will buy one unit of the product each month in the coming year, for a total of 24 million units. -Refer to Scenario 17-2.By its willingness to spend money on advertising,Firm B


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.

E) B) and D)
F) None of the above

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Which of the following is a characteristic of oligopoly or monopolistic competition,but not perfect competition?


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

E) A) and B)
F) All of the above

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Table 17-3 Traci's Hairstyling is one salon among many in the market for hairstyling. The following table presents cost and revenue data for Traci's Hairstyling. Table 17-3 Traci's Hairstyling is one salon among many in the market for hairstyling. The following table presents cost and revenue data for Traci's Hairstyling.    -Refer to Table 17-3.Given the cost and revenue data,Traci's is 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. -Refer to Table 17-3.Given the cost and revenue data,Traci's is


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.

E) None of the above
F) All of the above

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A monopolistically competitive firm faces the following demand curve for its product: A monopolistically competitive firm faces the following demand curve for its product:   The firm has total fixed costs of $40 and a constant marginal cost of $2 per unit.We can conclude that 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. The firm has total fixed costs of $40 and a constant marginal cost of $2 per unit.We can conclude that


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.

E) C) and D)
F) B) and C)

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Table 17-1 Table 17-1    -Refer to Table 17-1.This table shows the demand schedule,marginal cost,and average total cost for a monopolistically competitive market.Which of the following is likely to happen in the long run in this market? 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. -Refer to Table 17-1.This table shows the demand schedule,marginal cost,and average total cost for a monopolistically competitive market.Which of the following is likely to happen in the long run in this market?


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.

E) A) and D)
F) All of the above

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In some countries,brand name fast-food restaurants are not allowed to operate.Such restrictions are likely to


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.

E) A) and B)
F) A) and C)

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If firms in a monopolistically competitive market are incurring economic losses,which of the following scenarios would best describe the change existing firms (who are able to stay in the market) would face as the market adjusts to the long-run equilibrium?


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

E) B) and C)
F) A) and B)

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When firms sell highly differentiated consumer goods,it is likely that a significant cost to the firms will be


A) associated with advertising.
B) associated with the product-variety externality.
C) associated with intermediate materials.
D) associated with taxes and regulation.

E) B) and C)
F) A) and B)

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When a monopolistically competitive firm is in long-run equilibrium,


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.

E) A) and C)
F) All of the above

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Ignoring oligopoly and focusing on the other three market structures,in which of those market structures does a profit-maximizing firm charge a price that exceeds marginal cost?


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.

E) B) and C)
F) None of the above

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An important difference between the situation faced by a profit-maximizing monopolistically competitive firm in the short run and the situation faced by that same firm in the long run is that in the short run,


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.

E) A) and B)
F) B) and D)

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A markup of price over marginal cost is inconsistent with free entry and zero profit.

A) True
B) False

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In which of the following market structures are there a large number of sellers? (i) Monopolistic competition (ii) Perfect competition (iii) Oligopoly


A) (i) and (ii) only
B) (ii) and (iii) only
C) (ii) only
D) (i) , (ii) , and (iii)

E) None of the above
F) B) and C)

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