Gilles Saint-Paul obtained his Ph.D. from MIT in 1990. Since then he has worked on issues related to unemployment, long-term economic growth, political economy and European labor market institutions. He has published extensively on these issues, in particular Dual Labor Markets: A macroeconomic perspective (MIT Press, 1996) and The Political Economy of Labour Market Institutions (Oxford University Press, 2000). His recent work has dealt with the implications of new technologies and intellectual property rights for growth, and the dynamics of income distribution. He has been Professor of Economics at DELTA in Paris from 1990 to 1997, and at University at Pompeu Fabra in Barcelona from 1997 to 2000. Since then he is a Professor at Toulouse University. He has served as a consultant for the IMF, the Spanish government, and the Swedish government. He was a member of the Commission Économique de la Nation, an advisory council to the French minister of finance, and is Programme Director of the Centre ofor Economic Policy Research in London in the area of Labour Economics.