3 IZA Discussion Papers
IZA Discussion Paper No. 11621
published in: Journal of Economic Inequality, 2018, 16 (4), 583-606
IZA Discussion Paper No. 9936
published in: National Institute Economic Review, 2016, 237, 38-46
IZA Discussion Paper No. 5256
revised version published in: Economic Inquiry, 2014, 52 (3), 1173-1189