4 IZA Discussion Papers
IZA Discussion Paper No. 14835
published in: Journal of Economic Behavior & Organization, 2021, 192, 813–831
IZA Discussion Paper No. 9981
IZA Discussion Paper No. 9041
revised version published in: Experimental Economics 19(4), December 2016, 287-712; doi: 10.1007/s10683-015-9465-9
IZA Discussion Paper No. 4027
published in: Journal of Economic Behavior and Organization, 2012, 81 (2), 542 - 555