一月效应

国内外学者对日历效应的研究很多，早期的研究主要集中于研究美国等发达资本主义国家股票市场的周末效应和一月效应。

The early research are mainly focused on weekend effect and January effect in stock markets of the developed capitalist countries , such as the United States ' .

然而在证券市场上有许多现象无法用有效市场理论解释，比如一月效应，规模效应，反转和动量效应。

However , there are many phenomena in the stock market efficient market theory can not explain , such as the January effect , size effect , reversal and momentum effects .

通过不同月份的检验发现，中国股市不存在小公司一月效应，而是在3月份和8月份这一效应表现比较突出。

" Small firm effect " is more obvious in March and August , but not in January .

近年来，国外财务学界的研究文献大量地关注证券市场的各种异常，如一月效应、处置效应、动量效应、羊群行为等等。

All kinds of abnormalities are concerned on stock market in the foreign financial documents these years , such as January effect , disposition effect , momentum effect , herd behavior .