3 IZA Discussion Papers
IZA Discussion Paper No. 16865
IZA Discussion Paper No. 8954
published in: Journal of the Economic Science Association, 2015, 1(1), 43-58; doi:10.1007/s40881-015-0007-1
IZA Discussion Paper No. 7051
published in: Journal of Economic Behavior & Organization, 2013, 94, 172-182