13 IZA Policy Papers
IZA Policy Paper No. 214
IZA Policy Paper No. 195
IZA Policy Paper No. 174
IZA Policy Paper No. 167
IZA Policy Paper No. 147
IZA Policy Paper No. 136
published in: Population and Development Review, 2018, 44 (4), 667-693
IZA Policy Paper No. 76
IZA Policy Paper No. 58
IZA Policy Paper No. 30
IZA Policy Paper No. 20
published in: World Bank - Economic Premise, 2010, 42, 1-5