A small town is served by many competing supermarkets, which have constant marginal cost.

一个小镇有许多超市，它们有不变的边际成本。

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It's commonly viewed as the only equilibrium outcome that each firm earns zero profit in the homogeneous product Bertrand game with constant marginal cost.

在不变边际成本的同质产品伯川德价格博弈中，通常认为唯一均衡结果是各个企业获得零利润的纯战略纳什均衡。

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We'll assume that constant marginal cost just as it was last time is equal to C.

我们假设固定边际成本,像上次一样等于C

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The constant marginal cost is c.

边际成本就是常数c

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Let me finish the picture here; here's my demand curve, here's my constant marginal cost at c, and I want to use this picture on the left now to figure out what the monopoly quantity is.

先把图画完,这条是需求曲线,这个是边际成本常量c,下面我们通过左边的图像,来找出垄断产量

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