围绕2017年上海证券交易所上市A股中出现的现金股利派发情况，根据事件研究法，通过对公告日前后样本股票异常收益率的计算，进行股票市场对该事件反应的实证分析。实证结果表明，在上市公司发布现金分红事件公告后会造成市场上股票价格的大幅上升。据此，对监管上市公司制定分红政策方面提出建议。
Around the occurrence in 2017of distribution of cash dividends appearing in the A shares listed on the Shanghai Stock Exchange, by the calculation of the abnormal return rate of sample stocks before and after the announcement date, empirical analysis of the stock market reaction to the incident is conducted according to event research method. Empirical results show that the stock price of all sample companies that publish cash dividend announcements in the market has risen sharply. Accordingly, recommendations are made to formulate a dividend policy for regulators.
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