Based on the theory of Industry Organization, the paper uses the Concentrative Ratio, Herfindahl-Hirschman Index, Lorenz Curve and Gini Coefficient to analyze AMM's concentrative degree.

运用产业组织相关理论、集中度系数、赫芬达尔—赫希曼指数、洛伦茨曲线和基尼系数分析了我国农机工业集中度现状。

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There is a significant positive linear correlation between the Herfindahl-Hirschman Index and the auditing fees.

赫芬因德指数与审计费用显著正相关；

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And while the DOJ makes much of the Herfindahl-Hirschman Index, a measure of industry concentration that would leap if the merger goes through, a court victory will depend mostly on whose experts are more convincing.

FORBES: If AT&T/T-Mobile Merger Would Raise Prices, Why'd Sprint Stock Jump?

Using an obscure formula called the Herfindahl-Hirschman (sounds like a craft beer) Index, the government fears that both Budweiser and Corona would be able to raise their prices in lockstep after a merger, thereby harming consumers.

FORBES: Bud And Corona Bellying Up To The Same Bar?