4 IZA Discussion Papers
IZA Discussion Paper No. 17191
IZA Discussion Paper No. 3030
IZA Discussion Paper No. 1535
published as "The early inception of labor market gender differences" in: Labour Economics, 2009, 16 (2), 135-139
IZA Discussion Paper No. 931
published in: Journal of Population Economics, 2007, 20 (1), 9-33