Sebastiano Bavetta is Professor of Economics at the Università di Palermo (Italy) and visiting professor at the University of Pennsylvania (USA) where he teaches 'Economics of Freedom' in the Philosophy, Politics and Economics Program. He received his PhD in the Philosophy of Economics from the London School of Economics and Political Science. His research interests have been concerned with issues in positive and normative economics and in political theory. He has published several books, including The Economics of Freedom, with Pietro Navarra (Cambridge University Press, 2012). His work has also appeared in several journals including Social Choice and Welfare, the Journal of Theoretical Politics, Constitutional Political Economy, Theory and Decision, and Economic Affairs.