9 IZA Policy Papers
IZA Policy Paper No. 203
IZA Policy Paper No. 191
IZA Policy Paper No. 189
initially published as: ILO Report [Details & Download]
IZA Policy Paper No. 178
IZA Policy Paper No. 133
IZA Policy Paper No. 86
IZA Policy Paper No. 73
published in: IZA Journal of European Labor Studies, 2014, 3:10, [Open Access]
IZA Policy Paper No. 50