Allan M. Feldman is Professor Emeritus of Economics at Brown University. His research has appeared in the Review of Economic Studies, Econometrica, the American Economic Review, Public Choice, the Journal of Economic Theory, the American Law and Economics Review and other journals. He is co-author (with Roberto Serrano) of Welfare Economics and Social Choice Theory, 2nd edition (2006). Professor Feldman taught economics at Brown University for thirty-eight years, including the intermediate microeconomics course. He was director of undergraduate studies in the Economics Department at Brown for