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AvenYu · 2024年11月06日

为什么不是完全竞争呢?

NO.PZ2023071902000037

问题如下:

QuestionIf a firm encounters numerous competitors, a downward-sloping demand curve for its products, and zero economic profits in the long run, which characteristic is it least likely to possess?

选项:

A.No pricing power B.Low barriers to entry C.Differentiated product

解释:

Solution
  1. In the context of monopolistic competition, firms encounter many competitors and generally have limited pricing power due to the downward-sloping demand curve. While they may offer differentiated products through advertising and non-price strategies, they still maintain some level of pricing power. However, the ease of entry into the market results in zero economic profits in the long run

  2. Incorrect. "Low barriers to entry"&"Product differentiation" are characteristics of monopolistic competition.
The Firm and Market Structures

• describe characteristics of perfect competition, monopolistic competition, oligopoly, and pure monopoly

在垄断竞争的情况下,由于需求曲线向下倾斜,企业遇到许多竞争者,通常具有有限的定价权。虽然他们可能会通过广告和非价格策略提供差异化的产品,但他们仍然保持一定程度的定价权。然而,从长远来看,进入市场的方便性导致经济利润为零
不正确的。“低进入门槛”和“产品差异化”是垄断竞争的特征。

“低进入门槛”和“产品差异化”则是垄断竞争的特征。

其他答案看到:


本题先给出几个特征: numerous competitors、 a downward-sloping demand curve for its products、zero economic profits in the long run。

这是垄断竞争市场。


如果是完全竞争,则需求曲线是horizon,而不是题目给出的downward sloping。


完全竞争的需求曲线对个体来说才是horizon,对整个市场来说不也是downward吗?

1 个答案

品职助教_七七 · 2024年11月06日

嗨,努力学习的PZer你好:


这道题给出的就是个体,题干描述为“If a firm encounters.....”,跟整个市场没有关系。

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