Freeman, Alan and Kliman, Andrew (2000): Two Concepts of Value, Two Rates of Profit, Two Laws of Motion. Published in: Research in Political Economy No. 18 (April 2000): pp. 243-267.
Kliman, Andrew and Freeman, Alan (2000): Rejoinder to Duncan Foley and David Laibman. Published in: Research in Political Economy No. 18 (April 2000): pp. 285-293.
