2 IZA Discussion Papers
IZA Discussion Paper No. 6369
published in: Amelie F. Constant and Klaus F. Zimmermann (eds.), International Handbook on the Economics of Migration, Edward Elgar 2013, Cheltenham, UK, and Northampton, USA, Chapter 28, 530-551
IZA Discussion Paper No. 4072
updated version published as 'Intensive Coaching of New Immigrants: An Evaluation Based on Random Program Assignment' in: Scandinavian Journal of Economics, 2012, 114 (2), 576-600