Firm 1 is pricing at marginal cost, the best response if the other guy is pricing at marginal cost is to price at marginal cost or above.

公司1定价在边际成本,针对对手定价在边际成本的最佳对策,是定价高于或等于边际成本

耶鲁公开课 - 博弈论课程节选

So here my best response is to price at the monopoly price.

所以这里我的最佳对策是定价在垄断价格

耶鲁公开课 - 博弈论课程节选