6 IZA Discussion Papers
IZA Discussion Paper No. 14810
IZA Discussion Paper No. 13950
IZA Discussion Paper No. 7244
published in: Economic and Social Review, 2020, 51 (2), 275-303.
IZA Discussion Paper No. 6643
IZA Discussion Paper No. 5875
substantially revised version published as 'What Can We Learn from Bargaining Models about Union Power? The Decline in Union Power in Germany, 1992-2009' in: Manchester School, 2014, 82 (3), 347-362
IZA Discussion Paper No. 1681
published in: Economica, 2010, 77 (307), 413-450