Economic Policy 53

The Managing Editors of Economic Policy: Giuseppe Bertola is Professore Ordinario di Economica Politica, Facolta di Scienze Politiche, Universita di Torino. Philippe Martin is Professor at the Universite Paris-1 Pantheon Sorbonne and CERASENPC and a Research Fellow at CEPR. Jan van Ours is Professor of Economics at Tilburg University and Professorial Fellow at Melbourne University. The Senior Editors of Economic Policy: Georges de Menil works at the Delta Ens, France. Richard Portes lectures in the Department of Economics, London Business School. Hans-Werner Sinn is based at the Centre for Economic Studies, University of Munich.

• Editors' Introduction. 1. The relative sophistication of Chinese exports (Peter K. Schott, Yale School of Management and NBER). 2. Specialization across varieties and North-South competition (Lionel Fontagne, Paris School of Economics, Universite Paris 1 and CEPII); Guillaume Gaulier, Banque de France and CEPII) and Soledad Zignago (CEPII). 3. What explains the proliferaton of antidumping laws? (Hylke Vandenbussche, Universite Catholique de Louvain, CORE, KULeuven-LICOS and CEPR and Maurizio Zanardi, Universite Libre de Bruxelles ECARES and Tilburg University). 4. Market services productivity across Europe and the US (Robert Inklaar, University of Groningen; Marcel P. Timmer, University of Groningen and Bart van Ark, University of Groningen).