7J.Lakonishok,A.Shleifer,and R.V.Vishny. The impact of institutional tra- ding on stock prices [J].Joumal of Financial Economice, 1992,(32):23-43.
8S.Bikhchandani, D.Hirshleifer, and I.Welch. Learning from the behavior of others:Conformity, fads,and informational cascades [J].Joumal of Ec- onomic Perspectives, 1998, (12) : 151-170.
9Friedman D. Evolutionary Games in Economics. Eeonometrica, 1991,59,(3).