3 IZA Discussion Papers
IZA Discussion Paper No. 7474
published in: Industrial Relations, 2014, 53 (1), 125-157.
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. 4502
revised version published in: Scottish Journal of Political Economy, 2013, 60 (2), 182-209.