His work has been published in International Advances in Economic Research, the Eastern Economic Journal, the Journal of Economics, the Journal of Private Enterprise, the Review of Social Economy, the Atlantic Economic Journal (forthcoming), and a number of different proceedings and anthologies. This paper benefitted from comments from Mason Gaffney, Joseph Horton, Neil De Marchi, and two anonymous referees. An early version was presented at the Congress of Political Economists meetings in San Francisco in 1996.