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If both firms behave that way, prices will get driven down towards marginal cost and industry profits will suffer.
如果双方都采取这种策略,那么价格将会下降到边际成本,行业利润将会遭受损失
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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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In particular, we find that prices in the market are equal to marginal cost.
特别是,我们发现这个市场下的价格等于边际成本
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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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Now this is marginal cost or above so this is the best response.
现在就是高于或等于边际成本,所以这是最佳对策
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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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That's where the marginal cost and the demand thing, demand lines intersect.
应该是在边际成本,与需求曲线的交点上
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Pepsi's pricing exactly at marginal cost, what's my best response?
百事将价格精确地设定在边际成本,我的最佳对策是什么
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It's where the marginal cost and the demand curve intersects.
边际成本与需求曲线的交点处
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It's where marginal revenue equals marginal cost, right?
是边际收入等于边际成本那点,对吧
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I could price at marginal cost as well.
我也将价格设定在边际成本
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It's where marginal revenue equals marginal cost.
是边际收益等于边际成本的那点
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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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To price at marginal cost as well.
也将价格设定在边际成本
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At C okay, so the Nash Equilibrium here, the Nash Equilibrium is for both firms to set their prices equal to marginal cost.
价格定在C,好的,所以这里的纳什均衡,纳什均衡是两家公司都把它们的价格,设定在边际成本
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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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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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