问题
单项选择题
A monopolist will expand production until:（）
A. P = MC and the price of the product will be determined by the MC curve.
B. MR = MC and the price of the product will be determined by the demand curve.
C. P = MR and the price of the product will be determined by the ATC curve.
答案
参考答案：B
解析：
A monopolist will expand production until MR = MC. The demand curve lies above the intersection of the MR and MC curve and the price charged is the price on the demand curve for the output where MR = MC.