问题
单项选择题
Monopolists will maximize profit by producing at an output level where which of the following conditions exists（）
A. Price = marginal revenue = marginal cost.
B. Price = demand = marginal revenue = marginal cost.
C. Marginal revenue = marginal cost ＜ price.
答案
参考答案：C
解析：
To maximize profit, monopolists will expand output until marginal revenue equals marginal cost. Price will be greater than marginal revenue because a monopolist faces a downward sloping demand curve.