4 IZA Discussion Papers
IZA Discussion Paper No. 8628
IZA Discussion Paper No. 8459
published in: M. Kahanec and K.F. Zimmermann (eds.), Labor Migration, EU Enlargement, and the Great Recession, Springer 2016
IZA Discussion Paper No. 3479
revised version published in: British Journal of Industrial Relations, 2012, 50 (3), 457-481
IZA Discussion Paper No. 1088
published in: P. Waxman and V. Colic-Peisker (eds.), Homeland Wanted: Interdisciplinary Perspective on Refugee Settlement in the West, New York: Nova Science Publishers, 2004