试题与答案

某地区电信市场上有5家电信企业A、B、C、D、E,都提供某一类通信业务,某一年该市场

题型:单项选择题

题目:

某地区电信市场上有5家电信企业A、B、C、D、E,都提供某一类通信业务,某一年该市场上5家电信企业在这一通信业务市场上的业务收入份额分别为工A:39%,B:31%,C:15%,D:10%,E:5%.

如果下一年市场份额变化为A:35%,B:32%,C:18%,D:10%,E:5%.以()测算的市场集中毛 * * 不发生变化……

A.行业集中度指标CR4 

B.市场集中度指标CR8 

C.赫芬达尔-赫希曼指数HHI 

D.前四位企业的H指数

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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