Professor of economics at New York University, he is a fellow of the National Bureau of Economic Research (NBER), the Innocenzo Gasparini Institute for Economic Research (IGIER) at Bocconi University, the Centre for European Security Studies (CESS) at New York University, the Centre interuniversitaire de recherche en économie quantitative (CIREQ) at the Université de Montréal, and the Institute for the Study of Labour (IZA) at the University of Bonn. He is associate editor of the Journal of Economic Theory, Economic Theory, and Research in Economics. His main research interests are in the fields of social economics, financial economics, and behavioural economics. He is founding editor and editor of www.noisefromamerika.org. He is editor of Handbook of Social Economics (with Jess Benhabib and Matt Jackson), North Holland (2010), and of the book Immigration and cultural integration in Europe (with Yann Algan, Alan Manning, Thierry Verdier), Oxford University Press (2010). He is the author of Tremonti: Istruzioni per il disuso (with Michele Boldrin, Sandro Brusco, Andrea Moro, Giulio Zanella), L’Ancora del Mediterraneo (2010).