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Concentration ratio

集中比率：在某一行业中,衡量指标最高的前几大公司,占此行业全部公司的比率。例如衡量指标为营业额、员工、资本额等,前四大的集中比率为70%,就比前四大的集中比率为50%的集中度高。但集中比率无法区别前几大之间的差别,例如前四大集中比率为70,有两组分别为25,20,15,10和：50,10,5,5,两组的集中比率皆为70,但两组的结构大不相同。

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Release time: 2016-08-08 00:00

Update time: 2016-08-08 00:00

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