9 IZA Policy Papers
IZA Policy Paper No. 92
IZA Policy Paper No. 82
IZA Policy Paper No. 43
IZA Policy Paper No. 41
published in: IZA Journal of Labor Policy, 2012, 1:8, [Open Access]
IZA Policy Paper No. 9
published in: International Labour Review, 2010, 149 (3), 361-372
IZA Policy Paper No. 6
published in: IZA Journal of Labor Policy, 2013, 2:1, [Open Access]
IZA Policy Paper No. 6
published in: IZA Journal of Labor Policy, 2013, 2:1, [Open Access]