基于DEA定距分类的上市公司股权集中度与经营绩效关系研究  

An Empirical Study on the Relationship between Ownership Concentration and Operating Performance of Listed Company

作　　者：郑平[1] 

机构地区：[1]西南财经大学金融学院,成都610074

出　　处：《经济问题》2012年第6期51-53,共3页On Economic Problems

基　　金：西南财经大学“211工程”三期青年教师成长项目“超主权货币、国际货币体系改革与人民币国际化”阶段性成果（211QN10065）

摘　　要：从股权集中度与经营绩效的非参数关系出发，以2006年G股改革开始至2010年5年对应的我国上市公司数据作为样本，通过DEA非参数分析，首先对我国股权分置改革后的股权集中度对公司绩效的影响进行定距分类，进一步建立分类后的股权集中度指标对基于绩效指标的二次曲线回归面板模型，挖掘出我国股权集中度在G股改革中对公司经营绩效作用的变化，从而为验证与优化我国上市公司股权结构模式提供定量支撑的论据。Based on the non - parameter relationship between the concentrative degree of the ownership and the operating performance, this paper choose China＇ s listed companies from 2006 of the beginning reformation of G shares to 2010 as the empirical research＇ s sample to digging out the influence that the concentrative degree of the ownership put on the corporation performance according to the Data Envelope Analysis and panel model with quad- ric curve regression expectedly proposed effective suggestion for optimization ownership constructure of the listed companies by quantitatively research.

关 键 词：股权集中度 经营绩效 DEA 

分 类 号：F830.92[经济管理—金融学]