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第二节 垄断 一、垄断与低效率 PowerPoint PPT Presentation


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第二节 垄断 一、垄断与低效率 图 11-1 中(见教材 375 页),横轴表示产量,纵轴表示价格。曲线 D 和 MR 分别为该厂商的需求曲线和边际收益曲线。假定平均成本和边际成本相等且固定不变,它们由图中水平直线 AC =MC 表示。垄断厂商的利润最大化原则是边际成本等于边际收益。因此,垄断厂商的利润最大化产量为 q m 。在该产量水平上,垄断价格为 P m 。显然,这个价格高于边际成本。. p. d. P m. b. c. a. AC=MC. P *. D. MR. q. O. q m. q *. 图 11-1 垄断很低效率.

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第二节 垄断 一、垄断与低效率

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