4Spence, A. Micheal. Entry, Capacity, Invest ment and Oligopolistic Pricing[J]. Ball Journal of Economics, 1977 (8) :534 - 544.
5Schmalensee, Richard. Entry Deterrence in the Beady - to - Eat Breakfast Cereal Industry [ J ]. Ball Journal of Economics, 1978 (9) :305 - 327.
6Dixit, Avinash. The Role of Investment in Entry Deterrence [ J ]. Economic Journal, 1980 ( 90 ) : 95 - 106.
7Rees, R. , Tacit Collusion [ J ]. Oxford Review of Economic Policy, 1993 (9) :27 -40.
8Bernadette Andreosso and David Jacobson, In- dustrial Economics and Organization: A Europe-an Perspective [ M ]. Second Edition, The McGrawHill Company ,2005:239.
9Philip Ketler. Marketing Management, Analy- sis, .Planning, Implementatlon, and Control. Ninth Eidition [ M ]. Prentice Hall , 2000 : 404.
10Friedman, A Non- cooperative Equilibrium for Supergames [ J ]. Respective of Journal of Eco- nomic Study,1971 (38) ; 1 - 12.
