Georg-August-Universität Göttingen, Friedrich-Schiller-Universitat Jena, Max-Planck-Institut für Ökonomik, University of East Anglia, University of Southampton, Toulouse School of Economics, HEC Paris
Georg-August-Universität Göttingen, Friedrich-Schiller-Universitat Jena, Max-Planck-Institut für Ökonomik, University of East Anglia, University of Southampton, Toulouse School of Economics, HEC Paris (en)