7 IZA Discussion Papers
IZA Discussion Paper No. 11138
IZA Discussion Paper No. 8144
published in: Journal of Business and Economic Statistics, 2014, 32, 555-575
IZA Discussion Paper No. 7929
IZA Discussion Paper No. 3288
revised version published in: Journal of Business & Economic Statistics, 2013, 31(3), 346-357
IZA Discussion Paper No. 3024
IZA Discussion Paper No. 2126
published in: International Statistical Review, 2008, 76 (2), 214-227
IZA Discussion Paper No. 418
published as 'Developing an immigration policy for Germany on the basis of a nonparametric labor market classification' in: Allgemeines Statistisches Archiv /Journal of the German Statistical Society, 2004, 88(1), 1-22