3 IZA Discussion Papers
IZA Discussion Paper No. 9623
published in: Journal of the European Economic Association, 2021, 19 (5), 2467–2512
IZA Discussion Paper No. 5965
published in: Econometrica, 2012, 80 (2), 863-881
IZA Discussion Paper No. 3376
published in: Journal of Development Economics, 2009, 88 (1), 103 - 119