Contributors Roxana Barbulescu University Academic Fellow in New Migrations in UK and Europe, School of Sociology and Social Policy, University of Leeds Richard Bellamy Professor of Political Science and Director of the Max Weber Programme, European University Institute Alain Brun Former officer of the European Commission Philippe Cayla Européens sans frontières, Paris, France Sue Collard Senior Lecturer in French Politics and Contemporary European Studies, University of Sussex Department of Politics, Sussex European Institute, Sussex Centre for Migration Research Floris de Witte Associate Professor, Department of Law, London School of Economics and Political Science Andrew Duff President of the Spinelli Group and Visiting Fellow at the European Policy Centre Maurizio Ferrera Professor of Political Science, Department of Social and Political Sciences, University of Milan Sarah Fine Senior Lecturer in Philosophy, Department of Philosophy, King’s College London Kees Groenendijk Emeritus Professor of Sociology of Law, founder and Research Fellow of the Centre for Migration Law, Radboud University Anton Hemerijck Professor of Political Science and Sociology, Director of Graduate Studies, Department of Political and Social Sciences, European University Institute Julia Hermann Post-doctoral research fellow, Department of Philosophy and Religious Studies, Utrecht University Christian Joppke Professor of General Sociology, Institute of Sociology, University of Bern Dimitry Kochenov Chair in EU Constitutional Law, Faculty of Law, University of Groningen Saara Koikkalainen University researcher, University of Lapland Dora Kostakopoulou Professor of European Union Law, European Integration and Public Policy, School of Law, University of Warwick Theresa Kuhn Associate Professor of Political Science, Department of Political Science, University of Amsterdam Ilaria Madama Associate Professor of Political Science, Department of Social and Political Sciences, University of Milan Glyn Morgan Associate Professor of Political Science, Maxwell School, Syracuse University and Collegio Alberto xvii