affiliation not provided to SSRN, University of Flensburg, University of Pittsburgh - Department of Political Science, Johns Hopkins University - Initiative for Sustainable Energy Policy and Johns Hopkins University

International Institute for Applied Systems Analysis, Central European University (CEU), University of Vienna, Universität für Bodenkultur Wien (BOKU), Vienna University of Economics and Business, International Institute for Applied Systems Analysis (IIASA), University of Natural Resources and Life Sciences, Vienna, International Institute for Applied Systems Analysis (IIASA), University of Vienna, International Institute for Applied Systems Analysis (IIASA), International Institute for Applied Systems Analysis (IIASA), affiliation not provided to SSRN, Central European University, affiliation not provided to SSRN and Universität für Bodenkultur Wien (BOKU)