CECILIA ALBERT Assistant Professor in Economy, Universidad de Alcala, Madrid PATRIK ANDERSON Labour Economist, Swedish Agency for Government Employers, Sweden KEITH A. BENDER Visiting Professor, Department of Economics, Louisiana State University, LA CARLO DELL'ARINGA Professor of Economics, Università Cattolica, Milan CHRISTIAN DUSTMAN Lecturer in Economics, University College, London YVES GUILLOTIN Professor of Economics, University of Maine, USA JUAN F. JIMENO Professor of Economics, Universidad de Alcala, Madrid NICOLE LANFRANCHI Researcher, OECD, Paris GLORIA MORENO Professor of Economics, Universidad de Alcala, Madrid NILS HENRIK SCHAGER Chief Economist, Swedish Agency for Government Employers ARTHUR VAN SOEST Professor in Economics, Tilburg University, Netherlands