9 IZA Discussion Papers
IZA Discussion Paper No. 17518
IZA Discussion Paper No. 16765
IZA Discussion Paper No. 16749
IZA Discussion Paper No. 15958
IZA Discussion Paper No. 15791
IZA Discussion Paper No. 12669
published in: Labour Economics, 2019, 61, 101767
IZA Discussion Paper No. 11307
IZA Discussion Paper No. 5987
revised version published as 'Collective Agreement Status and Survivability: Change and Persistence in the German Model' in: Labour, 2013, 27 (3), 288-309
IZA Discussion Paper No. 1128
published as 'Stimulating employment growth with higher wages? A new approach to address an old controversy' in: Kyklos, 2007, 60 (3), 441-467