题目内容

[单选]Many economists criticize monopolists because they

A. charge a price that equals marginal cost rather than a price that equals average cost.
B. do not innovate.
C. produce a large quantity of waste.
D. produce less than the socially efficient level of output.

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[单选]To maximize total surplus with a monopoly firm, a benevolent social planner would choose the level of output where

A. MR = MC.
B. MR intersects the demand curve.
C. MC intersects the demand curve.
D. MR exceeds MC by the greatest amount.

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[单选]Perfect price discrimination

A. eliminates deadweight loss.
B. reduces profits to the monopolist.
C. decreases the total quantity sold by the monopolist.
D. requires arbitrage in order for the monopolist to maximize profits.

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[判断]Monopolists can achieve any level of profit they desire because they have unlimited market power.

A. 对
B. 错

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[判断]The fundamental cause of monopolies is barriers to entry.

A. 对
B. 错

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[单选]Many economists criticize monopolists because they

A. charge a price that equals marginal cost rather than a price that equals average cost. B. do not innovate. C. produce a large quantity of waste. D. produce less than the socially efficient level of output.

[单选]To maximize total surplus with a monopoly firm, a benevolent social planner would choose the level of output where

[单选]Perfect price discrimination

[判断]Monopolists can achieve any level of profit they desire because they have unlimited market power.

[判断]The fundamental cause of monopolies is barriers to entry.

A. charge a price that equals marginal cost rather than a price that equals average cost.
B. do not innovate.
C. produce a large quantity of waste.
D. produce less than the socially efficient level of output.