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苏·Xu · 2025年01月12日

合谋

  1. CFA I
  2. Economics Analysis

NO.PZ2023071902000071

问题如下：

QuestionIn an oligopoly market, each firm faces an individual demand curve under:

选项：

A.colluding market conditions only.

B.non-colluding market conditions only.

C.both colluding and non-colluding market conditions.

解释：

Solution

  1. Incorrect because in an oligopoly market where collusion is present, the individual production participants collectively divide the aggregate market demand curve. However, even under non-colluding market conditions, each firm still faces an individual demand curve based on its own pricing and output decisions.
  2. Correct because in an oligopoly market, each firm faces an individual demand curve regardless of whether collusion is present or not. Under non-colluding market conditions, firms independently determine their pricing and output levels based on their individual demand curves.
  3. Incorrect because in an oligopoly market where collusion is present, the individual production participants collectively divide the aggregate market demand curve. However, even under non-colluding market conditions, each firm still faces an individual demand curve based on its own pricing and output decisions.

The Firm and Market Structures

•

A不正确, 因为在寡头垄断市场中存在共谋，个体生产参与者共同瓜分总市场需求曲线。然而，即使在非串通的市场条件下，每个公司仍然面临着基于自己定价和产出决策的个人需求曲线。

B正确,因为在寡头垄断市场中，无论是否存在合谋，每家公司都面临着各自的需求曲线。在非串通的市场条件下，企业根据各自的需求曲线独立地决定它们的定价和产出水平。

C不正确,因为在寡头垄断市场中存在共谋，个体生产参与者共同瓜分总市场需求曲线。然而，即使在非串通的市场条件下，每个公司仍然面临着基于自己定价和产出决策的个人需求曲线。

解析中“无论是否存在合谋，都面临自己的需求曲线”，所以应该是C啊，不论串通与不串通

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1 个答案

笛子_品职助教 · 2025年01月13日

嗨，爱思考的PZer你好：


Hello，亲爱的同学~

串通的时候，企业瓜分市场总需求曲线。决策依据企业之间串通的协议。

不串通的时候，企业有各自独立的需求曲线，可以独立根据需求来做决策。


在串通的时候，企业瓜分市场总需求曲线，这种阐述，比有各自独立的需求曲线更准确。

因此B比C更准确。


当企业瓜分市场总需求的时候，每个企业面临的需求也不一定是一致的。

例如有的企业小一点，瓜分45%份额，有的企业规模大一些，瓜分55%。

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