4 IZA Discussion Papers
IZA Discussion Paper No. 9970
published in: World Development, 2016, 86, 1–17
IZA Discussion Paper No. 7149
published in: Journal of Development Studies, 2013, 49 (12), 1694-1710
IZA Discussion Paper No. 6246
published in: Labour Economics, 2016, 39 , 11-34
IZA Discussion Paper No. 5914
published in: Journal of Development Studies, 2012, 48(9), 1193-1208