5 IZA Discussion Papers
IZA Discussion Paper No. 10434
published in: Journal of Economic Behavior and Organization, 2018, 145, 449-464
IZA Discussion Paper No. 9490
published in: Journal of Applied Statistics, 2016, 43 (11), 2044-2052
IZA Discussion Paper No. 3407
published in: American Economic Review, 2008, 98 (2), 49-53
IZA Discussion Paper No. 2976
published in: Journal of Human Resources, 2009, 44 (1), 251 - 276
IZA Discussion Paper No. 2164
revised version published in: Empirical Economics, 2009, 36 (3), 487-513