ผู้เขียน: W. Trommel

Fazlin Abdullah, National Council of Social Service in Singapore Annelie Beller, gfa | public Gmb H, Germany Hans Boutellier, Verwey-Jonker Institute, the Netherlands Hester van de Bovenkamp Erasmus University Rotterdam, the Netherlands Joris De Corte, Ghent University, Belgium Simona Franzoni, Brescia University, Italy Rabea Haß, Hertie School of Governance, Germany and the Center for Social Investment of Heidelberg University, Germany Roger Higman, Plymouth University, UK Rik Peeters, Tilburg University, the Netherlands and the Netherlands School of Public Administration Ora-orn Poocharoen, National University of Singapore Daniel Pop, Babes-Bolyai University, Romania Roxana Radu, Graduate Institute of International and Development Studies, Switzerland Rory Shand, Plymouth University, UK Maikel Waardenburg, Utrecht University, the Netherlands