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In which of the following ways is a monopolist different from a perfect competitor? (A)average cost will continuously drop as output expands. (B)price is above marginal cost. (C)the demand curve for the industry has a negative slope (D)all of the above are true. 這題我想了很久覺得答案是D吧 (A)獨占廠商不就是享有規模經濟所以平均成本會持續降低(不太確定觀念對不對) (B)是因為P大於MR所以在MR=MC時P>MC (C)獨占廠商面對負斜率需求曲線 完競廠商面對水平需求曲線 可是書本上的答案是給B 想請問大家怎麼想的 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.139.219.155 ※ 編輯: swallow1986 來自: 220.139.219.155 (09/18 21:18)
kolun:不是每一種獨占廠商ac都會一直下降唷 122.126.48.150 09/18 21:45
zhiyue:(A)指的是自然獨占,一般獨占不是如此, 61.225.2.121 09/18 22:55
zhiyue:非主要的差別 61.225.2.121 09/18 22:56
zhiyue:(C)指的是產業(industry),非個別廠商(firm 61.225.2.121 09/18 22:56
zhiyue:產業面對的都是負斜率 61.225.2.121 09/18 22:57
swallow1986:謝謝^^感激不盡220.139.219.155 09/18 23:14