机构投资者能否发生稳定器作用——基于个股暴跌风险的实证检验

被引:14
作者
刘秋平
机构
[1] 中南财经政法大学会计学院
[2] 安徽财经大学商学院
关键词
机构持股稳定性; 股价暴跌; 价值投资; 短期行为;
D O I
10.19559/j.cnki.12-1387.2015.03.003
中图分类号
F832.51 [];
学科分类号
摘要
机构投资者能否改善并提高资本市场的稳定性和有效性,学术界一直存在着较大争议。本文基于机构投资者持股稳定性与股价暴跌关系的研究视角,以2001-2012年沪、深A股为样本,分析机构投资者参与公司治理的效应:能否发生稳定器作用?研究发现,机构持股稳定性与股价暴跌显著负相关,表明机构持股稳定性越高,价值投资动机越强;机构投资者持股比例与股价暴跌风险呈倒"U"型关系,当机构投资者持股比例较低时,机构投资者短期交易动机越强;依据"规模经济"和"信息优势"观点,机构投资者持股比重提高,降低和化解管理层因窖藏坏消息而导致的股价暴跌风险,提升股价稳定性。
引用
收藏
页码:27 / 37
页数:11
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