问题
单项选择题
If a regulatory agency intervenes to reduce prices, a monopoly will most likely expand output to the level where:（）
A. Marginal cost equals supply.
B. Average cost equals marginal revenue.
C. Average cost equals demand.
答案
参考答案：C
解析：
Given regulatory agency intervention, a monopoly will expand output to the level where average cost equals demand. Monopoly will expand output to the level where average cost equals demand.