He holds a M.Sc. in Statistics and Economics from ENSAE and a Ph.D. in Economics from University of Toulouse 1. He taught at University of Bonn, Li�ge, Montevideo and San Andr�s. He has been invited as research fellow at University of Brussels, Toulouse 1 and Warwick. His field of interests is public economics, and his most recent research areas include fiscal federalism and tax evasion. He has published in International Economic Review, Journal of Public Economics, Journal of Public Economic Theory and International Tax and Public Finance, amongst others. He received research grants from Acad�mie de Toulouse, Fondation Maison des Sciences de l’Homme de Paris, Minist�re de l'Education Nationale de France, Fonds National de la Recherche Scientifique de Belgique, FONCyT and CONICET.