University of Leipzig - Institute of Philosophy

Central European University - IRES Department, Yale University - Yale Center for International and Area Studies, University of Linz, University of Greifswald - Lehrstuhl für Landschaftsokonomie, University of Tuebingen - Faculty of Economics and Business Administration, Walter Eucken Institute, University of Leipzig - Institute of Philosophy, University of Basel, Rheinisch-Westfalisches Institut fur Wirtschaftsforschung, Essen (Rhine-Westphalia Institute for Economic Research), European Commission, Tilburg University, CentER and Deutsche Bank