The abnormal returns reflect the effect of the event.
超额收益反映事件的影响。
Companies with high levels of customer satisfaction tend to generate positive abnormal returns.
顾客满意度高可以帮助企业在股票市场上获得超额利润。
The result suggests that significantly negative cumulative abnormal returns arise around the publication of guarantee statements.
结果发现，上市公司发布担保公告日前后出现显著为负的累积非正常报酬。
The IPOs' long-run abnormal returns are sensitive to which benchmark's return is adjusted by, and to which method of weighting average is employed.
IPO长期超常收益率对使用何种参照指标的收益率来调整以及使用何种加权平均方法很敏感。
And the empirical study proves that our stock market is not semi-strong efficient because investors can gain abnormal returns with publicly information.
同时实证结果表明市场尚未达到半强式有效，投资者可以利用公开的信息获得超额收益。
Experiments carried out on abnormal returns detection in stock market show that the VODM is feasible.
股票市场中异常收益检测的实验表明，VODM及其算法是有效的。
The event study analysis shows that announcements of warrant-bonds issued by Chinese listed companies are associated with significant positive abnormal returns.
事件研究的结果发现我国上市公司分离交易可转债的发行公告具有显著的正效应。
The article analyses whether or not the negotiated transitions, which happen from 1998 to 2003, brought the abnormal returns to the investors by using the event study.
本文采用事件研究法对1998年至2003年间所发生的协议转让事件是否给投资者带来超常收益进行了全面分析。
The article analyses whether or not the negotiated transitions, which happen from 1998 to 2003, brought the abnormal returns to the investors by using the event study.
本文采用事件研究法对1998年至2003年间所发生的协议转让事件是否给投资者带来超常收益进行了全面分析。
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