第6章主要知识点 - 1 2 3 4 Pe MR MC MR=MC MR=SMC...

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完全竞争市场 完全竞争市场的条件 1 )市场上有大量的买者和卖者。 2 )市场上每一个厂商提供的商品都是完全同质的。 3 )所有的资源具有完全的流动性。 4 )信息是完全的。 完全竞争厂商的需求曲线 是一条由既定市场价格水平 P e 出发的水平线。这意味着厂商只能被动 地接受给定的价格。 完全竞争厂商的总收益曲线 是一条从原点出发向右上方倾斜的直线。 利润最大化的均衡条件: 边际收益 MR 等于边际成本 MC ,即 MR=MC
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完全竞争厂商短期均衡的条件是: MR=SMC 完全竞争厂商的短期均衡 :在短期厂商是在给定的生产规模下,通过对产量的调整来实现 MR=SMC 的利润最大化的均衡条件。有五种情况: 1 P 大于最小的 AC AR AC ,厂商获得利润。厂商继续生产。 2 P 等于最小的 AC AR=AC ,厂商的利润为零。 SMC 曲线与 SAC
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