2 IZA Policy Papers
IZA Policy Paper No. 69
substantially revised version published in: European Debates No. 4, May 2014. See also the introduction by the Editor. [Open Access] / an updated and extended version published as ‘Migration, jobs and integration in Europe’ in: Migration Policy Practice, 2014, 6(4), 4-16
IZA Policy Paper No. 21
published in: M. Kahanec and K. F. Zimmermann (eds.), Ethnic Diversity in European Labor Markets. Cheltenham: Edward Elgar Publishing, 2011, 307 - 311