6 IZA Discussion Papers
IZA Discussion Paper No. 16054
IZA Discussion Paper No. 15969
IZA Discussion Paper No. 14536
revised version published in: Journal of Economic Behavior and Organization, 2022, 194, 71-90.
IZA Discussion Paper No. 8052
revised version published in: Review of International Organizations, 2015, 10(1), 67-95
IZA Discussion Paper No. 4447
IZA Discussion Paper No. 1923
published in: American Economic Review, 2006, 96 (2), 45-49