economy References Duncan Foley, "Review of Carchedi and Freeman (eds.), Marx and Non-Equilibrium Economics" Freeman, Alan and Guglielmo Carchedi (eds.). 1996. Marx and Non-Equilibrium Economics. Cheltenham, UK: Edward Elgar. International Working Group on Value Theory website Kliman, Andrew. 2007. Reclaiming Marx's Capital: A Refutation of the Myth of Inconsistency. Lanham, MD: Lexington Books. Kliman, Andrew. Writings on website Laibman, David. 1999. "The Okishio Theorem and Its Critics: Historical Cost Vs. Replacement Cost", Research in Political Economy, Vol. 17, pp. 207–27 Laibman, David. 2000. "Rhetoric and Substance in Value Theory: An Appraisal of the New Orthodox Marxism", Science & Society, Fall, pp. 310–32; Also in The New Value Controversy and the Foundations of Economics, ed. Alan Freeman, Andrew Kliman and Julian Wells, Edward Elgar, 2004 Laibman, David. 2002. "Value and the Quest for the Core of Capitalism", Review of Radical Political Economics, 34:2 (Spring), pp. 159–78 Mandel, Ernest and Alan Freeman (eds.), 1984. Ricardo, Marx, Sraffa: The Langston Memorial Volume. London: Verso. Research in Political Economy, Vol. 17, 2000. Research in Political Economy, Vol. 18, 2000. Marxian economics