1. Department of Economics, LMU Munich
2. Center for Macroeconomics and Surveys, ifo Institute
3. Faculty of Economics, LMU Munich
4. Department of Economics, Heilbronn University of Applied Sciences
5. Department of Economics, Boston University
6. NBER
7. School of Business and Economics, Friedrich-Alexander University Erlangen-Nurnberg (FAU)
8. Institute for Employment Research (IAB)