HERVE DUMEZ is Researcher, Centre de Recherche en Gestion, Ecole Polytechnique, Paris. He is co-author with Alain Jeunemaitre of La Politique de Concurrence en Europe, and is editor of several books, including Financial Markets Regulation: A Practitioner's Perspective. ALAIN JEUNEMAITRE is Associate, Regulatory Policy Research Centre, Hertford College, Oxford and Researcher, Centre de Recherche en Gestion, Ecole Polytechnique, Paris. He is co-author with Herve Dumez of La Politique de Concurrence en Europe and is editor of several books, including Financial Markets Regulation: A Practitioner's Perspective.