4 IZA Discussion Papers
IZA Discussion Paper No. 10225
IZA Discussion Paper No. 9846
published in: Journal of Labor Economics, 2019, 37 (2), 351-398
IZA Discussion Paper No. 2484
Published in: British Journal of Industrial Relations, 2009, 47(3), 571-600. doi:10.1111/j.1467-8543.2009.00717.x
IZA Discussion Paper No. 1720