Roberto Serrano is Harrison S. Kravis University Professor at Brown University, Rhode Island, and Research Associate at the Madrid Institute for Advanced Studies, Spain. He has contributed to different areas in microeconomic theory and game theory and his research has been published in leading journals including Econometrica, the Journal of Political Economy, the Review of Economic Studies, the Journal of Economic Theory, Games and Economic Behavior and the SIAM Review. He has received prestigious fellowships and prizes, including the Alfred P. Sloan Foundation Fellowship in 1988 and the Fundaci#243;n Banco Herrero Prize in 2004, awarded to the best Spanish economist under forty. He is managing editor of Economics Letters and the associate editor of the International Journal of Game Theory and Mathematical Social Sciences. At Brown, he was director of graduate studies from 2006 to 2012 and has served as economics department chair since 2010.
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 nearly fifteen years.