He is an Emeritus Professor in Economics at the Universitat Autonoma de Barcelona, and the Barcelona Graduate School of Economics. I got my PhD from Northwestern University (1975). I taught at the Universidad Autónoma de Madrid (1975—77) and Universidad del País Vasco (1978—86), and have been visiting professor at Stanford University, California Institute of Technology, Ecole Polytechnique and Universite des Sciences Sociales de Toulouse. My research focuses on public economics, utility theory, game theory and incentives. More specifically, I am specialist in social choice theory, mechanism design and voting methods.
I have co-edited a Handbook of Utility Theory, and my research articles have been published in Econometrica, the Quarterly Journal of Economics, the Review of Economic Studies, the Journal of Political Economy, the American Economic Review, the Journal of Economic Theory, Games and Economic Behavior, and Social Choice and Welfare, among others.
I am a Fellow of the Econometric Society, the Asociación Española de Economía, the Asociación Argentina de Economía Política, the Society for the Advancement of Economic Theory, the Game Theory Society. I was a recipient of the Rey Juan Carlos Award in Economics (1996), the XVIII Prize from the Fundació Catalana per a la Recerca i la Innovació (FCRI) (2007), the Rey Jaume I Award (2008), the Spanish National Research Prize “Pascual Madoz” in Social Sciences and Economics (2010). I am Doctor Honoris Causa from the Universidad Pablo de Olavide (2007).
I am past-president of the Social Choice and Welfare Society and of the Southern European Economics Association (ASSET). I served in the Council of different learned societies, including the Econometric Society, the Social Choice and Welfare Society and the Game Theory Society, and was director of the Spanish Economic Review, and a member of the board of different journals like Econometrica, Economic Theory, Games and Economic Behavior, Social Choice and Welfare, Mathematical Social Sciences, Journal of Public Economic Theory, and the Review of Economic Design.
I served as General Secretary of Research and Technological Policies in the Spanish Ministry of Education and Science (2004—2006). Prior to that, between 2000 and 2004, I was the first director of the Catalan Institution for Research and Advanced Studies (ICREA). I was a member of the “Spanish Council of Universities”, by appointment of the Spanish Congress, (1984—88), and of the Spanish Goverment, (2004—06).