注4：其实,美国的一些学者已经就“物以类聚,人以群分”(homophily) 这一问题做了许多有意义的工作(如Cohen et al . ,2001 :5 - 32 ;McPherson et al . ,2001) 。
参考文献：
American Journal of Sociology 2005 ,Volume 110(no. 4) .
Axelrod ,Robert M. 1984 , The Evolution of Cooperation. New York : Basic Books.
—— 1997 , The Complexity of Cooperation : Agent2Based Models of Competition and Cooperation.Princeton , NJ : Princeton University Press.
Bates, Robert H. ,Avner Greif ,Margaret Levi ,Jean2Laurent Rosenthal , & Barry R. Weingast 1998 ,Analytic Narratives . Princeton ,NJ . : Princeton University Press.
Chwe ,Michael Suk Young 1999 ,“Structure and Strategy in Collective Action. ”American Journal of Sociology 105.
Chong ,Dennis 2000 , Rational Lives : Norm and Values in Politics and Society . Chicago : University of Chicago Press.
Cohen ,Michael ,Rick L. Riolo &Robert Axelrod 2001 ,“The Role of Social Structure in the Maintenance of Cooperative Regimes. ”Rationality and Society 13.
Deng , Fang 1997 ,“Information Gaps and Unintended Outcomes of Social Movements : The 1989 Chinese Student Movement . ”American Journal of Sociology 102.
Fireman, Bruce & William A. Gamson 1979 , “Utilitarian Logic in the Resource Mobilization Perspective. ”in The Dynamics of Social Movements , ( eds. ) by Mayer N. Zald & John D.McCarthy. Cambridge ,Mass. : Winthrop.
Hovil ,Lucy & Eric Werker 2005 ,“Portrait of a Failed Rebellion : An Account of Rational ,Sub2Optimal Violence in Western Uganda. ”Rationality and Society 17.
Hardin ,Russell 1982 , Collective Action. Baltimore : Published for Resources for the Future by the Johns Hopkins University Press.
Kohler , Timothy A. & George J . Gumerman (eds. ) 2000 , Dynamics in Human and Primate Societies :Agent2Based Modeling of Social and Spatial Processes . New York : Oxford University Press.
Karklins ,Rasma &Roger Petersen 1993 ,“Decision Calculus of Protesters and Regimes : Eastern Europe 1989. ”Journal of Politics 55.
Kim,Hyojoung &Peter S. Bearman 1997 ,“The Structure and Dynamics of Movement Participation. ” American Sociological Review 62.
Kuran ,Timur 1991 ,“Now Out of Never : The Element of Surprise in the Eastern European Revolution of 1989. ”World Politics 44.
——1995 ,“The Inevitability of Future Revolutionary Surprises. ”American Journal of Sociology 100.
——1997 , Private Truths , Public Lies : The Social Consequences of Preference Levi , Margaret 1988 , OfRule and Revenue. Berkeley : Universality of California Press.
Lichbach ,Mark Irving 1998 , The Rebel’s Dilemma. Ann Arbor : The University of Michigan Press.
Marwell ,Gerald &Pamela Oliver 1984 ,“Collective Action Theory and Social Movements Research. ”in Social Movements , Conflicts and Change ,vol . 7 , (ed. ) by Louis Kriesberg. Greenwich ,Conn. : JAI Press.
——1993 , The Critical Mass in Collective Action : A Micro2Social Theory. Cambridge : Cambridge University Press.
Marwell ,Gerald ,Pamela Oliver &Ralph Prahl 1988 ,“Social Networks and Collective Action : A Theory of Critical Mass ,III. ”American Journal of Sociology 94.