NO.PZ2018062003000075
问题如下:
For a dominant company in the market of oligopoly, in the long run, its market share is more likely to:
选项:
A.stay unchanged.
B.decrease.
C.increase.
解释:
B is correct
New competitors will be attracted to the market by economic profits, so the market share of the dominant company will decrease.
考点,领导厂商模型
解析:领导厂商模型中市场虽然存有壁垒,但是这不等同于其他厂商进不来。外界新厂商能进入,就说明他有一定本事。要么成本非常低。要么工艺流程非常先进。那这些厂商进来就要瓜分领导厂商的市场份额。这题当做结论记忆一下,它更多的是一个实证研究观察到的结果。
注意到,如果已经进入的市场的厂家沦为了小厂商后再涨价那就是自寻死路,这种情况需要和本题的结论区分开来。
这不是在说老大和马仔的意思吗,占据主要地位。题目也没说后面会有新厂商进入啊,为啥就是decrese了