1. University of Konstanz, Konstanz, Germany.
2. Center of Economic Performance, London, UK.
3. CESifo, Munich, Germany.
4. IZA, Bonn, Germany.
5. University of Würzburg, Würzburg, Germany.
6. Frankfurt Laboratory for Experimental Economic Research, Goethe University Frankfurt, 60323 Frankfurt, Germany.
7. The Center for Leadership and Behavior in Organizations, Goethe University Frankfurt, 60323 Frankfurt, Germany.
8. University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
9. Alice Salomon University of Applied Science, Berlin Apollon University of Applied Science, 28359 Bremen, Germany.