Ivan Koprić is Professor of Administrative Science and Local Government at the Faculty of Law, University of Zagreb, President of the Institute of Public Administration in Zagreb, Croatia, and editor-in-chief of Croatian and Comparative Public Administration. His recent books include Public and Social Services in Europe (edited with H. Wollmann and G. Marcou, 2016), European Administrative Space (edited with P. Kovač, 2017), Citizens, Public Administration, and Local Government (edited with A. Musa and T. Giljević, 2017).Hellmut Wollmann is Emeritus Professor of Public Policy and Administration at Humboldt University Berlin, Germany. His recent books include Public and Social Services in Europe (2016), and Introduction to Comparative Public Administration (with S. Kuhlmann, 2014). Gérard Marcou was Professor of Public Law at the University Paris 1 Panthéon-Sorbonne, and Director of GRALE (Groupement de Recherche sur l’Administration Locale en Europe), France. His recent books include Public and Social Services in Europe (2016), and Provision of Public Services in Europe (2010).