3 IZA Discussion Papers
IZA Discussion Paper No. 8328
published in: M. Kahanec and K.F. Zimmermann (eds.), Labor Migration, EU Enlargement, and the Great Recession, 2016
IZA Discussion Paper No. 6551
published in: Demography, 2013, 50 (1), 149-180
IZA Discussion Paper No. 3531
published in: World Development, 2012, 33, 143 - 172