86 IZA Discussion Papers
IZA Discussion Paper No. 1913
published in: American Economic Journal: Applied Economics, 2011, 3 (1), 121-159
IZA Discussion Paper No. 1816
revised version published in: International Journal of Manpower, 2008, 29(5), 410-422
IZA Discussion Paper No. 1685
IZA Discussion Paper No. 1402
revised version published in: Industrial and Labor Relations Review, 2008, 61 (4), 485-501
IZA Discussion Paper No. 718
final version published in: Journal of Theoretical and Institutional Economics, 2008, 164(4), 612–623
IZA Discussion Paper No. 706
published in: Applied Economics Quarterly, 2004, 50 (1), 89-110