赫芬达尔—赫希曼指数
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其中市场绩效标准主要包括勒纳指数、贝恩利润指标;市场结构标准主要有行业集中率CRn、赫芬达尔-赫希曼指数HHI;企业竞争行为标准。
Market performance standards include the Lerner Index , Bain profit targets . Market structure standards include industry concentration ratio , the Herfindahl-Hirschman Index . Enterprise competitive behavior standards .
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方法:考察了1990年~1996年制药行业的赫芬达尔-赫希曼指数(HHI)和集中率指标。结果与结论:目前我国制药行业市场相当分散,但是集中趋势明显。
METHODS : To calculate HHI and Concentration Ratio of pharmaceutical industry in 1990 ~ 1996 . RESULTS & CONCLUSION : Nowadays market concentration of pharmaceutical industry is low , but the tendency of concentration is distinct .
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第二部分从中国班轮运输市场的市场集中度分析入手,运用绝对集中度、相对集中度和赫芬达尔-赫希曼指数等定量指标和一些定性体系来衡量划定市场结构。
It applies absolute concentration ratio , relative concentration ratio , HHI index and other quantitative index and qualitative systems to delimit market structure .