8 IZA Discussion Papers
IZA Discussion Paper No. 13345
forthcoming in: European Economic Review
IZA Discussion Paper No. 10080
published in: Scientometrics, 190 (3), 1435-1454.
IZA Discussion Paper No. 7740
published in: International Economic Review, 2019, 60 (2), 879-903
IZA Discussion Paper No. 5325
improved version is available here
IZA Discussion Paper No. 374
published in: International Economic Review, 2006, 47 (3), 895-936
IZA Discussion Paper No. 119
IZA Discussion Paper No. 39
published in: Journal of Labor Economics, 2000, 18 (3), 353-376