公司规模越大，则股票的累计超额收益率越大；
第二部分，考察盈余公告前的R平方和超额累计收益率的关系。
Using data around earnings announcement in Chinese market, this paper explores the topic about R square around earnings announcement.
IPO长期业绩的早期研究以算术平均的累计调整收益率为指标，发现我国新股存在着长期超额报酬。
By equal-weighted CAR, former researches on the long-run performance of Chinese IPOs have found that IPOs in Chinese stock exchanges outperform index in the three years after going public.
IPO长期业绩的早期研究以算术平均的累计调整收益率为指标，发现我国新股存在着长期超额报酬。
By equal-weighted CAR, former researches on the long-run performance of Chinese IPOs have found that IPOs in Chinese stock exchanges outperform index in the three years after going public.
应用推荐