5 IZA Discussion Papers
IZA Discussion Paper No. 13238
IZA Discussion Paper No. 12303
published in: ILR Review, 2022, 75 (3), 716 - 740
IZA Discussion Paper No. 5711
resvised version published in: Industrial and Labor Relations Review, 2015, 68(2), 398-425
IZA Discussion Paper No. 3122
IZA Discussion Paper No. 2801
published in: Review of Development Economics, 12(1), 193-208