经济理论与经济管理 ›› 2012, Vol. 32 ›› Issue (2): 61-70.

• 金融研究 • 上一篇    下一篇

内部人交易与股票市场回报——来自中国市场的证据

 何青   

  1. 中国人民大学财政金融学院财政金融政策研究中心
  • 收稿日期:2011-11-15 出版日期:2012-02-16 发布日期:2012-03-05
  • 作者简介:何青(1979—),男,贵州贵定人,中国人民大学财政金融学院财政金融政策研究中心副教授,经济学博士
  • 基金资助:

    国家社会科学基金项目(10CGL011);教育部新世纪优秀人才支持计划资助项目

INSIDER TRADING AND MARKET RETURN: THE EVIDENCE FROM CHINA

 HE  Qing   

  1. School of Finance, China Financial Policy Research Center, Renmin University of China, Beijing , China
  • Received:2011-11-15 Online:2012-02-16 Published:2012-03-05

摘要: 本文系统地分析了自2007年6月1日以来,我国上市公司内部人的公开市场交易行为。本文的结论表明,在实施了内部人交易监管法规以来,我国上市公司的内部人依然能够利用私有信息在二级市场上赚取超额收益。当内部人购买或出售公司股票时,股票市场都会出现异常反应。而这些超额收益的大小直接受到公司的股权集中度、企业是否为国有等因素的影响。公司治理结构越差,则内部人赚取的超额收益越多。依据上述结论,笔者提出了相应的政策建议。

关键词: 内部人交易 , 超额收益 , 公司治理

Abstract: This paper examined the characteristics and market returns of legal insider transaction in China Although CSRC had implemented new policies to regulate insider transactions since Jun 1st 2007, this paper found that corporate insiders could earn abnormal returns from both purchasing and sealing their firm shares The abnormal profits were higher when ownership structure was highly concentrated and the largest shareholder was government related Moreover, the abnormal profits were larger when the quality of corporate governance was poor This paper provided several policy suggestions to further regulate inside trading in China

Key words: insider trading , abnormal return , corporate governance