5 IZA Discussion Papers
IZA Discussion Paper No. 15348
IZA Discussion Paper No. 7132
published in: Journal of Economic Growth, 2018, 23 (2), 145-173
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. 4061
published in: Economics & Politics, 2013, 25 (1), 27-47
IZA Discussion Paper No. 2170
published in: T. Sandler and K. Hardley (eds.), Handbook of Defense Economics Vol. 2, Elsevier 2007