6 IZA Discussion Papers
IZA Discussion Paper No. 15531
IZA Discussion Paper No. 14546
IZA Discussion Paper No. 10663
published in: Journal of Development Studies, 2018, 54 (3), 557 - 573
IZA Discussion Paper No. 3030
IZA Discussion Paper No. 2778
published in: Scandinavian Journal of Economics, 2008, 110 (1), 93-117
IZA Discussion Paper No. 1131