基于公司视角的公司治理与投资者保护关系的实证研究

本文尝试利用世界银行的调查问卷对我国上市公司的投资者保护指标进行了测定,研究了基于公司视角的投资者保护与公司治理、公司绩效的关系。实证分析表明,基于上市公司的投资者保护水平较低,且在不同行业之间没有显著性差异;投资者保护的二级指标"独立性"和"经理责任"分别与董事会规模显著正相关,表明加强董事会建设有利于提升公司治理的投资者保护效果;二级指标"公平性"与股权集中度显著负相关,表明股权集中不利于公司治理对全体股东的公平对待。实证分析同时提供了投资者保护与公司绩效关系的相反证据,一方面表明投资者保护(表现为公平性指标)有利于促进公司绩效(表现为托宾Q值)提高,另一方面表明投资者保护与公司短期经营绩效之间存在复杂影响因素,需要综合考虑公司内外部环境因素进行系统性分析,并应增加时间序列的数据分析。

An Empirical Study of the Relationship between Corporate Governance and Investor Protection based on Corporate Perspective

This paper attempts to research the relationship among investor protection,corporate governance and corporate performance.Empirical results show that the level of investor protection is low,that there is no significant difference across industries,that the sub factor of investor protection manager responsibility is significantly related with the board scale,that fairness and equity concentration are significantly negatively related,that the relationships between investor protection and corporate performance...