Piero Stanig 1, Roman Hoffmann 2, Raya Muttarak 2, 3, Jonas Piesker 4
1 Department of Social and Political Sciences, Bocconi University, Milan, Italy, 2 Vienna Institute of Demography/Austrian Academy of Sciences, Wittgenstein Centre for Demography and Global Human Capital, Vienna, Austria, 3 School of International Development, University of East Anglia, Norwich, United Kingdom, 4 International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria