Aghion, Philippe; Askenazy, Philippe; Berman, Nicolas; … - 2008
, 2007
⁄Corresponding author. Harvard University, Department of Economics, Littauer Center 309, Cambridge,
MA. Phone: (617 …) 495-6675. Fax: (617) 495-4341. E-mail: paghion@fas.harvard.edu.
yParis School of Economics, Banque de France and IZA. E …