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Multiple Choice
A) marginal revenue.
B) marginal cost.
C) average revenue.
D) profit.
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Multiple Choice
A) Both monopolistically competitive and perfectly competitive firms can earn economic profits in the short run.
B) Both monopolies and monopolistically competitive firms can earn economic profits in the long run.
C) Firms in perfect competition, monopolistic competition, and monopoly maximize profits by producing where marginal revenue equals marginal cost.
D) Only competitive firms produce the welfare-maximizing level of output.
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Multiple Choice
A) P > MC
B) MC = ATC
C) P < MR
D) All of the above are correct.
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Multiple Choice
A) TR = $9,000 and TC =$16,000.
B) TR = $14,000 and TC =$16,000.
C) TR = $16,000 and TC =$16,000.
D) MC exceeds MR by $66.66 on the last unit of output produced.
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Multiple Choice
A) $0
B) $80
C) $200
D) $400
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Multiple Choice
A) not in long-run equilibrium.
B) in long-run equilibrium.
C) producing its efficient scale of output.
D) earning a positive economic profit.
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Multiple Choice
A) 20
B) 30
C) 40
D) This firm will choose not to produce.
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Multiple Choice
A) free entry, but not differentiated products.
B) differentiated products, but not long run profits.
C) long run profits, but not many firms.
D) many firms, but not free entry.
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Multiple Choice
A) New firms will enter this market in the long run since firm profits are greater than zero.
B) Firms will leave this market in the long run since firm profits are less than zero.
C) This firm is currently in long-run equilibrium.
D) This firm is currently in long-run equilibrium, and the firm is producing its efficient scale of output.
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Multiple Choice
A) both market structures feature easy entry by new firms in the long run.
B) the main objective of firms in both market structures is something other than profit maximization.
C) firms in both market structures produce the welfare-maximizing level of output.
D) firms in both market structures set price above marginal cost.
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Multiple Choice
A) demand and average variable cost
B) demand and average total cost
C) marginal revenue and average variable cost
D) marginal revenue and average total cost
Correct Answer
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Multiple Choice
A) marginal cost exceeds marginal revenue
B) average revenue equals marginal cost
C) price exceeds marginal cost
D) All of the above are correct.
Correct Answer
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True/False
Correct Answer
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True/False
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Multiple Choice
A) $6
B) $12
C) $18
D) $24
Correct Answer
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Multiple Choice
A) excess capacity applies to monopolistically competitive firms but not to competitive firms.
B) zero economic profit applies to competitive firms but not to monopolistically competitive firms.
C) markup over marginal cost applies to both monopolistically competitive and competitive firms.
D) product variety externalities apply to both perfectly competitive firms and monopolistically competitive firms.
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Multiple Choice
A) Beatrice's would be better off; consumers would be worse off.
B) Consumers would be better off; Beatrice's would be worse off.
C) No one would be better off; consumers would be worse off.
D) No one would be better off; no one would be worse off.
Correct Answer
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Multiple Choice
A) 4 units of output.
B) 10 units of output.
C) 16 units of output.
D) 22 units of output.
Correct Answer
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Essay
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