我国上市公司股权激励公告日的时机选择
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引用本文:祝昱丰,陶亚民.我国上市公司股权激励公告日的时机选择[J].经济数学,2014,(1):69-73
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作者单位
祝昱丰,陶亚民 (上海交通大学 安泰经济与管理学院,上海 200052) 
中文摘要:本文选取了2008年1月1日至2012年12月31日间首次进行股权激励草案公告的245家A股上市公司作为研究对象,运用事件研究法对上市公司公告股权激励草案前后的超额收益情况进行检验.研究发现:即使不考虑股权激励本身带来的短期市场效应,草案公告日也更可能出现在股价低点,说明管理层会对草案公告的时机进行选择.进一步的研究则表明管理层是利用了自身对于公司季度盈余报告的信息优势来进行草案公告日的选择.
中文关键词:股权激励  机会主义行为  时机选择  盈余报告
 
The Timing of Public Disclosure of Equity Incentive Plans by China Listed Companies
Abstract:This article selected 245 listed companies in China which disclosed an equity incentive plan between January 2008 and December 2012 for the first time. Event study methodology was used in testing the average cumulative abnormal return around the disclosure. The result shows that, even without regard to the short-term market effect of an equity incentive plan, the public disclosure of the plan was more likely to appear at the bottom of the stock price, indicating that the timing was well chosen by the management board. Further study indicates that the management board would choose the public disclosure date by using their superiority in earnings information.
keywords:equity incentive  opportunistic behavior  timing of disclosure  earnings announcement
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