1. See G.A. Cohen, Karl Marx’s Theory of History: A Defence (Princeton, NJ: Princeton University Press, 1978)
2. Cohen , History, Labour and Freedom (Oxford: Clarendon Press, 1988),
3. and J. Elster, Making Sense of Marx (Cambridge: Cambridge University Press. 1985), Part II.
4. J.E. Roemer, Analytical Foundations of Marxian Economic Theory (Cambridge: Cambridge University Press, 1981).
5. Our exposition of Roemer’s model is less formal than that usually found in his own works. See J.E. Roemer, A General Theory of Exploitation and Class (Cambridge, Mass.: Harvard University Press, 1982),