6 IZA Discussion Papers
IZA Discussion Paper No. 16066
IZA Discussion Paper No. 13675
published in: Scandinavian Journal of Economics, 2021, 123 (4), 1116 - 1158
IZA Discussion Paper No. 4135
IZA Discussion Paper No. 4085
published in: Bruno Palier (ed.), A long good-bye to Bismarck, Amsterdam: AUP, 2010, 301-332
IZA Discussion Paper No. 3870
published in: Jens Alber and Neil Gilbert (eds.), United in Diversity? Comparing Social Models in Europe and America, Oxford: OUP, 2010, 201-236
IZA Discussion Paper No. 696
CESifo Dice Report , 2003, 2, 27-33