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- UID
- 223300
- 帖子
- 263
- 主题
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- 注册时间
- 2011-7-11
- 最后登录
- 2016-4-16
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just square each company's market share and sum them.
If you imagine there is only one company in a monopoly that company would have 100% of the market share, so 10,000 is the max possible
100 * 100 = 10,000
Typically any industry with a HH index over 1800 is considered non-competitive |
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发表于 2011-7-11 19:46
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