If you need immediate assistance, call 877-SSRNHelp (877 777 6435) in the United States, or +1 212 448 2500 outside of the United States, 8:30AM to 6:00PM U.S. Eastern, Monday - Friday.
Anna Katharina Raggl
Vienna University of Economics and Business
Welthandelsplatz 1
Vienna, 1020
Austria
Wittgenstein Centre for Demography and Global Human Capital