6 IZA Discussion Papers
IZA Discussion Paper No. 16741
IZA Discussion Paper No. 13755
published in: Canadian Journal of Economics, 2020, 53, 1365-1403. .
IZA Discussion Paper No. 5883
IZA Discussion Paper No. 5707
published in: Review of International Economics, 2013, 21 (2), 370-385
IZA Discussion Paper No. 1875
IZA Discussion Paper No. 8
published in: Staatswissenschaften und Staatspraxis, 1998, 9 (2), 191-208