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) monopolies, but not competitive firms or monopolistically competitive firms
B) monopolies and monopolistically competitive firms, but not competitive firms
C) monopolies, monopolistically competitive firms, and competitive firms
D) No firms earn positive economic profit in the long run. Entry will reduce all firms' economic profit to zero in the long run.
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Multiple Choice
A) both positive and negative externalities.
B) only positive externalities.
C) only negative externalities.
D) only private profit opportunities (no externalities) .
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Multiple Choice
A) Novels are likely to be produced in a monopolistically competitive industry.
B) Cable television is likely to be produced in a monopoly industry.
C) Milk is likely to be produced in a monopolistically competitive industry.
D) Cigarettes are likely to be produced in an oligopoly industry.
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Multiple Choice
A) product-variety externality, which is a negative externality.
B) product-variety externality, which is a positive externality.
C) business-stealing externality, which is a negative externality.
D) business-stealing externality, which is a positive externality.
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Multiple Choice
A) many firms, differentiated products, and barriers to entry.
B) many firms, differentiated products, and free entry.
C) a few firms, identical products, and free entry.
D) a few firms, differentiated products, and barriers to entry.
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Short Answer
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Multiple Choice
A) Industry A
B) Industry B
C) Industry C
D) Industry D
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Essay
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View Answer
True/False
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Multiple Choice
A) downward-sloping demand curve because the firm's product is different from those offered by other firms.
B) downward-sloping demand curve because there are only a few firms in the market.
C) horizontal demand curve because there are many firms in the market.
D) horizontal demand curve because firms can enter the market without restriction.
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Multiple Choice
A) Panel A
B) Panel B
C) Panel C
D) Panel D
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Short Answer
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Multiple Choice
A) Q = 0
B) Q = 2
C) Q = 5
D) Q = 10
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Multiple Choice
A) about 8%
B) about 36%
C) about 48%
D) about 84%
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Short Answer
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Multiple Choice
A) firms would most likely experience economic losses.
B) firms would also operate at their efficient scale.
C) new firms would likely to enter the market.
D) the most efficient firms would not likely to be affected.
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Multiple Choice
A) has some monopoly power.
B) sells a product that is at least slightly different from those of other firms.
C) faces a downward-sloping demand curve.
D) has many competitors.
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Multiple Choice
A) be able to increase its markup over marginal cost.
B) eventually have to reduce price to remain competitive.
C) increase the welfare of society.
D) reduce its average total cost.
Correct Answer
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Multiple Choice
A) the number of firms in the market decreases.
B) each existing firm experiences a decrease in demand for its product.
C) each firm experiences an upward shift of its marginal cost and average total cost curves.
D) each existing firm's average total cost falls to bring economic profit back to zero.
Correct Answer
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