The political economy of labour market institutions, Oxford U. Press, 2000

Dual labor markets. A macroeconomic perspective. MIT Press. 1996

"Economic aspects of human cloning and reprogenetics”, Economic Policy, 36, 2003, 73-122    

"Growth effects of non proprietary innovation”, Journal of the European Economic Association, 1 (2-3), 2003, 429-439

"How do firing costs affect labor market flows in a model with adverse selection ?" (joint with Adriana Kugler), forthcoming, Journal of Labor Economics.

"The political economy of employment protection";  Journal of Political Economy, 110(3), 672-704, 2002

"Employment protection, innovation, and international specialization'',  European Economic Review, 46, 2, 375-395, 2002

"On the distribution of income and worker assignment under intra-firm spillovers, with an application to ideas and networks", Journal of Political Economy, 109, 1, 2001, 1-37

'The Dynamics of Exclusion and Fiscal Conservatism'', Review of Economic Dynamics, 4, 275-302, 2001

''On the virtues of Bad Times'' (joint with Philippe Aghion), Macroeconomic Dynamics, 2, 3, 322-344, 1998

''The Role of Rents to Human Capital in Economic Development'', Journal of Development Economics, 53, August 1997, 229-249

''The rise and persistence of rigidities'', American Economic Review, May 1997, 87(2), 290-294

''Exploring the political economy of labour market institutions'', Economic Policy, 23, 1996, 265-300

''Are the Unemployed Unemployable ?'', European Economic Review, 40, 1996, 1501-1519

''Unemployment and Increasing Returns to Human Capital'', Journal of Public Economics, 1996, 61, 1-20

''The High Unemployment Trap'', Quarterly Journal of Economics, May 1995, CX, 2, 527-550

'''On the Political Economy of Labor Market Flexibility'', NBER Macroeconomics Annual, 1993, 151-195

''Education, Democracy, and Growth'', (with Thierry Verdier), Journal of Development Economics, 42, 1993, 399-407

''Productivity Growth and The Structure of the Business Cycle'', European Economic Review, 37, 1993, 861-890

''Fiscal policy in an endogenous growth model'', Quarterly Journal of Economics, 107, 4, 1992, 1243-1260

''Technological choice, Financial Markets, and Economic Development'', European Economic Review, April 1992, 763-781

''The Macroeconomic Impact of Flexible Labor contracts'' (with Samuel Bentolila) European Economic Review, June 1992, 1013-1053