题目内容

[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

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

A. 对
B. 错

[判断]Copyrights and patents are examples of barriers to entry that give firms monopoly pricing powers.

A. 对
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[判断] Like competitive firms, monopolies choose to produce a quantity in which marginal revenue equals marginal cost.

A. 对
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