6 IZA Discussion Papers
IZA Discussion Paper No. 17442
IZA Discussion Paper No. 16736
IZA Discussion Paper No. 15621
revised and partially expanded version forthcoming in: Research in Labor Economics, 2024, 52B
IZA Discussion Paper No. 12269
IZA Discussion Paper No. 11665
IZA Discussion Paper No. 9701
published in: Journal of Economic Behavior & Organization, 2016, 126 (Part B), 58-71