In order to learn the abnormal return of the Chinese stock market, we consider the Poisson jump diffusion process trying to capture the jump behaviors of the Chinese and American stock market.

为了研究股市的异常波动，本文引入泊松跳跃过程来刻画中国与美国股市的跳跃行为。

We find that the proportion of development expenditures to total assets can well explain both the abnormal return and the earning quality.

本文的主要实证结论如下：开发支出占总资产比不仅能显著解释股票超额回报率，而且对公司盈余质量也具有显著的解释力。

The results indicate that the abnormal return caused by M&A announcement implies that Chinese security market is of non-semistrong-form efficiency;

研究表明，并购事件公布所引致的市场异常收益说明中国证券市场属于非半强式有效；

Liability ratio and abnormal return on share prices are uncorrelated.

负债比率与股价异常报酬率之间无相关性.

Study On Stock Price Abnormal Return Of Initial Emerging …

兴柜初期与兴柜转上市柜初期股票异常报酬之研究。

The evidence shows that abnormal return of these firms are negative.

证据表明,那些因舞弊财务报告而受到证监会处罚的上市公司,其股价的超额收益率显著为负.

Former because liver function is abnormal, return appropriate delicate and goluptious food.

前者因肝功能不正常, 还宜清淡可口饮食.