Professor in Economics at Sciences Po and Research Fellow of the OFCE. He directs the Macroeconomic Program of CEPREMAP. His areas of research focus on the social economy, labour economics, macroeconomics, inequality, the relationship between economics and culture and public policy. He has written articles for important scientific journals including the “American Economic Review”, “Annales d’Economie et de Statistiques” and the “Journal of European Economic Association”. He has published: La société de défiance: comment le modèle social français s’auto-détruit with P. Cahuc, Editions de la rue d’Ulm, collection CEPREMAP (2007).