Zero profits, I'll make zero profits, so that certainly is a best response, pricing at marginal cost as well.

零利润,我将没有利润,所以这确实是一个最佳对策,也定价在边际成本

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Suppose Firm 1 is pricing at marginal cost and Firm 2 is pricing at something higher, a little bit higher.

假设公司1定价在边际成本,公司2定价稍微高点,高一点点

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There's one other possibility here I've missed which is what if Pepsi prices at marginal cost itself?

这里还缺少一个可能性,即,如果百事定价在边际成本怎么办

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How much profits will I make if I price at marginal cost as well?

如果我定价在边际成本我能获得多少利润

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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

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Suppose Firm 1 is pricing at marginal cost is this a Nash Equilibrium?

假设公司1定价在边际成本,这是纳什均衡吗

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What if Pepsi prices at marginal cost?

如果百事定价在边际成本怎么办

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Price above that.

定价高于边际成本

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If Firm II is charging C, Then a best response for Firm 1 is to set price equal to marginal costs, and if Firm 1 is pricing at marginal cost, then conversely a best response for Firm 2 is to price at marginal cost.

如果公司2选择了C,公司1的最佳对策是,定价在边际成本,如果公司1定价在边际成本,同样的,公司2的最佳对策,也是定价在边际成本

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