单选题 All else being equal, will the joint profit of an oligopolistic industry most likely be maximized if the: number of firms demand for the in the industry decrease? industry's products is stable? ①A. No No ②B. No Yes ③C. Yes Yes

A、

A. ①
B、

B. ②
C、

C. ③

【正确答案】 C

【答案解析】When the number of oligopolists is larger, effective collusion is less likely. Unstable demand conditions are an obstacle to collusion.