问题
单项选择题
Which of the following statements about a monopolist is least accurate（）
A. A profit-maximizing monopolist will expand output until marginal revenue equals marginal cost.
B. A profit-maximizing monopolist will supply less of his product than the amount consistent with the conditions of ideal static efficiency for an economy.
C. A monopolist will always be able to earn economic profit.
答案
参考答案：C
解析：
Monopolists maximize profit when MR = MC. If the ATC curve lies above the demand curve, monopolists will lose money.