勒纳指数

比较结果表明，基于市场绩效设计的市场价格可控指数（MarketPriceControllable，MPC）和勒纳指数（Lernerindex，LI）更能反映市场力本意，评估效果直观、准确；

The comparison results show that the index of market price controllable ( MPC ) and the Lerner index ( LI ) based on market performance can reflect the essence of market power well and their assessment results are accurate and more immediate .

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 .

勒纳指数是衡量市场垄断程度的一个重要的指标。

The Lerner Index ( LI ) is a satisfactory measurement for the monopoly power .

中国银行业市场竞争程度及其顺周期性&以勒纳指数为衡量指标的重新考察

Competition Level of Banking Industry in China and Its Procyclicality : Reconsideration Based on Lerner Index

在进行实证测度时，文章运用勒纳指数和剩余需求弹性作为衡量市场势力的指标。

In empirical measure , we take Lerner index and the residual demand Elasticity as the indicators of market power .

其次，本文同时采用行业的市场集中度和企业勒纳指数来衡量产品市场的竞争程度与企业的市场力量，能够更加全面地反映产品市场的竞争结构。

Secondly , we use both market concentration and Lerner index to measure the product market competition and firms ' market power .

本文通过修正测定市场垄断力的常用指标&勒纳指数以及构建计量模型，实证分析了国际垄断对中国大豆进口的影响。

Through adjusting Lerner index and establishing the econometric model , this paper empirically studies the influence of international monopoly on Chinas soybean import .

我们发现行业的市场集中度越高、企业的勒纳指数越大，股票分析师盈余预测的准确度越高，乐观性偏差越小。

We find that the higher of the concentration ratio and the bigger of the Lerner index , the more accurate of the earning forecasting and the smaller of optimistic bias .

我们发现在控制住其他因素后，行业的市场集中度越高、企业勒纳指数越大，股票收益率越低。

We find that the more concentrated of the industries and the bigger of the Lerner index , the lower of the stock return , after controlling for other factors affecting stock return .

在考虑上市公司的控股类型和国有股比例的影响后，市场集中度与勒纳指数的系数估计值仍然显著为负，这说明我们的研究结果并不是由上市公司的所有制性质引起的。

The coefficients of the market concentration and the Lerner index are still negative after including the ownership and state-own share ratio of listed companies . The results show that our findings are not due to the ownership of the listed companies .

作为衡量行业绩效的指标，勒纳指数、利润率、生产率与中国铁路运输供需的各个影响因素密切相关，选择供需缺口作为中国铁路运输绩效的综合指标具有一定的科学性。

As the index of performance , Lerner Index , Profit Rate and Productivity relates closely with the influencing factors of the demand and supply of Chinese railway transportation , so we select the demand-supply gap as the comprehensive index of performance .