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单选题 A monopolist faces the inverse demand function described by p = 50−4q, where q is output. The monopolist has no fixed cost and his marginal cost is $5 at all levels of output. Which of the following expresses the monopolist's profits as a function of his output? ( )

A. 50 − 4q − 5

B. 50 − 8q

C. 45q − 4q2

D. 50q − 4q2 − 5

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时间：2025-11-22 09:24:08

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题目1
单选题
358 【选择题】 A monopolist faces the inverse demand function described by p = 50−4q, where q is output. The monopolist has no fixed cost and his marginal cost is $5 at all levels of output. Which of the following expresses the monopolist's profits as a function of his output? ( )
A. 50 − 4q − 5B. 50 − 8qC. 45q − 4q2D. 50q − 4q2 − 5
题目2
单选题
361 【选择题】The demand for a monopolist's output is 7,000 divided by the square of the price in dollars that it charges per unit. The firm has constant marginal costs equal to 1 dollar per unit. To maximize its profits, it should charge a price of ( )
A. 1 dollarB. 2 dollarsC. 3 dollarsD. 1.5 dollars
题目3
单选题
365 【选择题】A profit- maximizing monopolist sets ( )
A. price equal to average costB. price equal to marginal costC. price equal to marginal cost plus a prorated share of overheadD. marginal revenue equal to marginal cost
题目4
单选题
A monopolist faces the inverse demand function described by p = 50−4q, where q is output. The monopolist has no fixed cost and his marginal cost is $5 at all levels of output. Which of the following expresses the monopolist's profits as a function of his output? ( )
A. 50 − 4q − 5B. 50 − 8qC. 45q − 4q2D. 50q − 4q2 − 5
题目5
单选题
The demand for a monopolist's output is 7,000 divided by the square of the price in dollars that it charges per unit. The firm has constant marginal costs equal to 1 dollar per unit. To maximize its profits, it should charge a price of ( )
A. 1 dollarB. 2 dollarsC. 3 dollarsD. 1.5 dollars
题目6
单选题
A profit- maximizing monopolist sets ( )
A. price equal to average costB. price equal to marginal costC. price equal to marginal cost plus a prorated share of overheadD. marginal revenue equal to marginal cost
题目7
判断题
Since a monopoly charges a price higher than marginal cost, it will produce an inefficient amount of output. ( )
A. 正确B. 错误
题目8
判断题
A natural monopoly occurs when a firm gains ownership of the entire stock of some natural resource and thus is able to exclude other producers. ( )
A. 正确B. 错误
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