3 IZA Discussion Papers
IZA Discussion Paper No. 13511
IZA Discussion Paper No. 7020
published in: A. F. Constant, K. F. Zimmermann (eds), International Handbook on the Economics of Migration, Edward Elgar 2013, Cheltenham, UK, and Northampton, USA, Chapter 14, 259-275
IZA Discussion Paper No. 2499
revised version published as "International Migration and the Role of Institutions" in: Public Choice, 2008, 137(1), 81-102