3 IZA Discussion Papers
IZA Discussion Paper No. 12209
published in: Journal of Development Economics, 2019, 141, 102375
IZA Discussion Paper No. 8543
published in: Journal of the European Economic Association, 2019, 17 (5), 1502 - 1037
IZA Discussion Paper No. 2890
published in: Quarterly Journal of Political Science, 2009, 4(4), 315–342