3Clifton, J.. Competition and the Evolution of the Capitalist Mode of Production[ J]. Cambridge Journal of Economics, 1977, ( 1 ).
4Weeks, J.. Capital and Exploitation [ M 1- Princeton Uni- versity Press, 1981.
5Semmler, W.. Competition, Monopoly, and Differentials of Profit Rates: Theoretical Considerations and Empirical Evidence [ J. Review of Radical Political Economics, Vol. 13 (4) , 1981.
6Semmler, W.. Theories of Competition and Monopoly [ J ]. Capital and Class, Vol. 6(3) , 1982.
7Boddy, R. and J. Crotty. Stagnation, instability and Interna- tional Competition [ J ]. The American Economic Review, Vol. 66, No. 2, 1976:30-32.
8Crotty, J. Rethinking Marxian Investment Theory : Keynes - Minsky Instability, Competitive Regime Shifts and Coerced Investment[ J]. Review of Radical Political Economics, Vol. 25 (1) , 1993.
9Crotty, J.. Structural Contradictions of the Global Neoliber- al Regime[J]. Review of Radical Political Economics, Vol. 32(3) , 2000:362.
10Crotty, J.. Why There Is Chronic Excess Capacity [J]. Challenge, Nov. - Dec,2002,.