基于股权结构与公司价值的大股东减持行为实证研究

随着全流通进程的加快,限售股解禁和大股东减持行为成为当前资本市场关注的重点和焦点问题。而股权结构与公司价值对大股东的减持行为起着决定性影响作用。在对大股东减持的动机和截止到2009年11月30日沪深A股312家股份全流通公司的减持数据进行分析的基础上,通过实证研究得出了全流通后,公司的托宾Q值、公司在同行业上市公司中所处的估值水平对大股东的减持数量具有显著的正向影响;公司在整个市场中所处的估值水平越高,大股东的减持数量越大;限售股解禁数量、控股股东持股比例和前五大股东的持股比例对大股东的减持数量具有显著的正向影响;净资产收益率、限售股股东持股成本对大股东减持数量的影响不显著等结论,最后简要分析了个人转让限售股征所得税对大股东减持的影响以及研究展望。

Empirical Research on Reduction Behavior of Major Shareholders Based on Ownership Structure and Enterprise Value

With the acceleration of the complete circulation course,it is the focus problem for capital market that the restricted shares lift and the major shareholders reduce their holdings.The ownership structure and enterprise value play the decisive influencing role in major stockholders' reducing behavior.Based on the analysis of motivation of the major shareholders selling and the reduction data of 312 companies with entire stock circulation prior to Nov.30,2009,this paper draws some conclusions by empirical st...