4Bain J. S.. A Note on Pricing in Monopoly and Oligopoly [J].The American Economic Review, 1949 (2) : 449.
5Caves R . Porter M. From Entry Barriers To Mobility Barriers[J].Quarterly Journal of Economics, 1977 (9) :241-2671.
6McGee, J., and Thomas, H .Strategic Groups: Theory, Research and Taxonomy[J] .Strategic Management Jour- nal, 1986(7) :141-160.
7Eduardo Gonzalez-Fidalgo & Juan Ventura-Victoria.How much do strategic groups matter[R].Universidad de Oviedo, Working Papers, 2001.
8Sudharshan, D ,Thomas D, H .Fiegenbaum, A .Assessing Mobility Barriers in Dynamic Strategic Groups Analysis[J]. Joural of Management Studies, 1991 (5) , 429-438.
9C. Jones, S. W. Hesterly, P. S. Borgatti. A General Theory of Network Governance: Exchange Conditions and Social Mechanism[J]. Academy of Management Review, 1997 (22) :911-945.