单选题
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.
【正确答案】
C
【答案解析】Monopolists maximize profit when MR = MC. If the ATC curve lies above the demand curve, monopolists will lose money.