8 IZA Discussion Papers
IZA Discussion Paper No. 14870
IZA Discussion Paper No. 9912
IZA Discussion Paper No. 7418
IZA Discussion Paper No. 7418
IZA Discussion Paper No. 7071
published in: Social Indicators Research, 2014, 116(2), 611–638
IZA Discussion Paper No. 6022
IZA Discussion Paper No. 6022
IZA Discussion Paper No. 4337