Carsten Greve is Professor of Public Management and Governance at the Department of Business and Politics, Copenhagen Business School, Denmark. He is also Academic Director of the CBS Public Private Platform. His research interests include public management reform and public-private partnerships in an international perspective. He teaches at the executive Master of Public Governance program in Copenhagen. Per Lægreid is Professor at the Department of Administration and Organization Theory, University of Bergen, Norway. He has published extensively on public sector reform, public management and institutional change from a comparative perspective. His latest publications include articles in Governance, Public Administration, International Review of Administrative Science, Public Administration Review and Public Management Review. Lise H. Rykkja is Senior Researcher at the Uni Research Rokkan Centre,Norway. Her research concentrates on the organization and development of public administration and public policies based in a broad institutional and comparative perspective. Her latest publication includes articles in Public Administration, Public Administration Review, Public Management Review and International Journal of Public Administration.