没讲过

问题如下：

Two leading supermarket chains in a region are considering transitioning to a 24-hour service from their usual closing time of 9 p.m. The payoff matrix that arises from their decisions can be visualized in a provided diagram (with the shaded areas signifying payoffs for Chain 2).

What is the most probable Nash equilibrium strategy for these two chains?

选项：

A.both chains to open for 24 hours.

B.only Chain 2 to open for 24 hours.

C.both chains to close at 9 p.m.

解释：

• describe characteristics of perfect competition, monopolistic competition, oligopoly, and pure monopoly

Every company considers the reaction of the other when choosing its strategy. According to the following summary, it is best for both chains to offer 24-hour service.

每个公司在选择战略时都会考虑对方的反应。根据英文解析中的表格总结，两家连锁店最好都提供24小时服务。