http://www.cenet.org.cn/cn/ReadNews.asp?NewsID=18424 http://www.jjxj.com.cn/news_detail.jsp?keyno=5254 http://www.chinavalue.net/showarticle.aspx?id=5451 http://www.li20.net/viewthread.php?tid=353537
http://gsbwww.uchicago.edu/fac/eugene.fama/research/ http://gsbwww.uchicago.edu/fac/eugene.fama/research/