3 IZA Discussion Papers
IZA Discussion Paper No. 10846
published in: Journal of Evolutionary Economics, 2021, 31, 1553-1572
IZA Discussion Paper No. 2562
published in: International Journal of Manpower, 2009, 30 (8), 835-852
IZA Discussion Paper No. 1982
published in: Cambridge Journal of Economics, 2007, 31(5), 691-710