作者: Kai Oppermann

Klaus Brummer holds the Chair of International Relations at the Catholic University of Eichstätt-Ingolstadt, Germany Sebastian Harnisch holds the Chair for International Relations and Comparative Foreign and Security Policy Studies at Heidelberg University, Germany Kai Oppermann is Professor of Politics at the Chemnitz University of Technology, Germany Diana Panke is Professor of Political Science and holds the Chair in ‘Multi-Level Governance’ at the University of Freiburg, Germany