摘要
应用事件研究方法就季报对股票价格是否存在影响进行实证分析,结果表明,相当一部分股票的优良季报业绩对其价格产生正面影响,同样相当一部分股票差的季报业绩对其价格产生负面影响;也有一部分股票的季报业绩对其价格不产生影响,或者说影响较小、不明显;而且,还有少数股票的季报业绩对其价格产生相反的影响。
Event Research Method is used to make empirical analysis of whether quarterly report has effect on the price of stock and the results show that good performance of a part of stock in quarterly report has positive effect on the price of stock and that bad performance of a part of stock in quarterly report has negative effect on the price of stock and that the performance of a part of stock in quarterly report has no effect on the price of stock or has little or unclear effect. Furthermore, the performance of a small portion of stock in quarterly report has contrary effect on the price of stock.
出处
《重庆工商大学学报(西部论坛)》
2008年第1期84-87,共4页
Journal of Chongqing Technology and Business University:West Forum
关键词
事件研究方法
线性回归
正常收益
累积异常收益标准变异
Event Research Method
linear regression
normal return
the standard variant of cumulative abnormal gain