A) there are no barriers to entry in oligopolies.
B) in oligopoly markets there are only a few sellers.
C) all firms in an oligopoly eventually earn zero economic profits.
D) strategic interactions between firms are rare in oligopolies.
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Multiple Choice
A) monopoly and monopolistic competition.
B) monopoly and oligopoly.
C) monopolistic competition and oligopoly.
D) monopolistic competition and cartels.
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Essay
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Multiple Choice
A) $0
B) $5
C) $12
D) $16
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Multiple Choice
A) an example of the inefficiencies of monopolistically competitive markets.
B) a short-run problem but not a long-run problem.
C) a characteristic of rising average total cost curves.
D) Both a and b are correct.
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Multiple Choice
A) minimized average total cost.
B) chosen to produce where demand is unitary elastic.
C) produced the efficient scale of output.
D) chosen a quantity of output where average revenue equals average total cost.
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Multiple Choice
A) creates desires that otherwise might not exist.
B) enhances competition.
C) benefits television viewers who enjoy TV commercials.
D) All of the above are correct.
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Multiple Choice
A) price equaled marginal cost.
B) government regulation eliminated the product-variety externality.
C) the government raised taxes to subsidize firms that price below average total cost.
D) there were fewer firms, making the industry closer to an oligopoly.
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Multiple Choice
A) firm is in a long-run equilibrium when it produces 24 units of output.
B) firm is in a long-run equilibrium when it produces 32 units of output.
C) best the firm can do is sustain a loss of $48.
D) best the firm can do is earn a profit of $96.
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Multiple Choice
A) causes demand for LGBP Clothing to be less elastic.
B) is more effective than other forms of advertisement because of its content.
C) will cause the market to be more competitive.
D) Both a and b are correct.
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Multiple Choice
A) marginal revenue.
B) average revenue.
C) marginal cost.
D) average total cost.
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Essay
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Multiple Choice
A) Monopoly
B) Oligopoly
C) Monopolistic competition
D) Perfect competition
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Multiple Choice
A) Both YumYum and Bertollini will advertise.
B) Neither YumYum nor Bertollini will advertise.
C) YumYum will advertise, but Bertollini will not advertise.
D) Bertollini will advertise, but YumYum will not advertise.
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Short Answer
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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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Short Answer
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True/False
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Multiple Choice
A) a large number of sellers
B) firms are price takers
C) free entry into the market
D) a differentiated product
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Multiple Choice
A) a monopoly only.
B) a competitive firm only.
C) both a monopoly and a competitive firm.
D) neither a monopoly nor a competitive firm.
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