CHRISTOPHER J. ARTHUR formerly of the University of Sussex, UK MARTHA CAMPBELL Assistant Professor of Economics at Potsdam College, State University of New York, USA FRED MOSELEY Professor of Economics at Mount Holyoke College, Massachusetts, USA PATRICK MURRAY Professor of Philosophy at Creighton University, Omaha, Nebraska, USA GEERT REUTEN Associate Professor of Economics at the University of Amsterdam, Netherlands TONY SMITH Philosophy and Political Science at Iowa State University, USA