内部人持股与公司治理效率关系研究

本文对我国上市公司内部人持股与公司治理效率的关系进行了实证研究。利用沪深两市1002家A股上市公司的样本数据所作的回归结果表明,内部人持股作为一种激励机制,在公司有效治理中发挥了一定的积极作用,且二者在形式上表现出倒U型的曲线关系,并在内部人持股比例为42.36%时达到最优。倒U型的曲线关系的存在,表明内部人持股作为一种激励制度,仅在一定范围内有效,超出该范围,反而失去了其应有的激励作用。同时42.36%的最优持股比例说明,为了激发管理层的积极性,股东须为此付出过高的代价。另外,在研究中我们发现,我国上市公司内部人持股制度存在诸多不完善之处,需要我们采取措施加以完善。最后,本文对此提出了建议。

The Relationship between Shareholdings of Insiders and the Governance Efficiency of Listed Companies:An Empirical Study

This paper examines the relationships between shareholdings of insiders and governance efficiency of the listed companies.Regression results of 1002 Shanghai and Shenzhen listed company observations in 2003 show that,as an incentive mechanism,shareholdings of insiders play an active role in corporate governance.However,there are some defects in our insider shareholding system,especially for state-owned companies.Therefore,some suggestions are put forward to solve the problems.