机构投资者、高管变更与股价波动

被引:36
作者
王谨乐 [1 ]
史永东 [1 ,2 ]
机构
[1] 东北财经大学应用金融研究中心
[2] 东北财经大学金融学院
关键词
机构投资者; 公司治理; 高管变更; 股价波动;
D O I
暂无
中图分类号
F272.91 [企业领导]; F275 [企业财务管理]; F832.51 [];
学科分类号
摘要
基于2004年—2012年的中国上市公司数据,从高管变更的视角研究了机构投资者的公司治理效应,并尝试从投资者行为的角度解析高管变更事件对公司股价波动的影响机理.实证结果表明:第一,对于那些业绩亏损的公司,机构投资者的撤离能够形成较强的外部压力,迫使当任高管离职.而对于那些业绩仍然维持盈利的公司,机构投资者的施压作用则不明显.总体上,业绩好坏始终是公司高管被迫离任的主要原因,而机构投资者则是通过"用脚投票"的方式起到了推波助澜的作用.第二,高管强制变更会被机构投资者解读为负面信号,新高管的上任并不会挽回机构投资者的持股信心.第三,噪音交易者(中小个体投资者)倾向于将亏损公司的高管变更事件解读为利好消息,其踊跃买入行为则构成了公司股价在高管强制变更后发生波动加剧现象的直接原因.
引用
收藏
页码:113 / 126
页数:14
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