2 IZA Discussion Papers
IZA Discussion Paper No. 9323
revised version published as 'Contract Innovation in Germany: An Economic Evaluation of Pacts for Competitiveness' in: British Journal of Industrial Relations, 2017, 55(3), 500-526.
IZA Discussion Paper No. 7195
published in: Economic and Industrial Democracy, 2015, 36(3), 501-522