5 IZA Discussion Papers
IZA Discussion Paper No. 7491
revised version published in: Labour Economics, 2014, 30, 201-211
IZA Discussion Paper No. 3538
published in: British Journal of Industrial Relations, 2011, 50 (4), 714-736
IZA Discussion Paper No. 3387
published in: European Economic Review, 2010, 54 (6), 832-854
IZA Discussion Paper No. 2527
revised version published in: Scandinavian Journal of Economics, 2016, 118 (2), 202 - 234
IZA Discussion Paper No. 946
revised version published in: Economic Inquiry, 2017, 55(1), 260-280