4 IZA Discussion Papers
IZA Discussion Paper No. 11061
published in: Journal of Legal Studies, 2018, 47 (S1), S5 - S44
IZA Discussion Paper No. 2999
published as 'Circular and Repeat Migration: Counts of Exits and Years Away from the Host Country' in: Population Research and Policy Review, 2011, 30 (4), 495-515
IZA Discussion Paper No. 960
substantially revised version published as 'Circular and Repeat Migration: Counts of Exits and Years Away from the Host Country' in: Population Research and Policy Review, 2011, 30 (4), 495-515
IZA Discussion Paper No. 885
published in: International Migration Review, 2012, 46 (2), 361-387