6 IZA Discussion Papers
IZA Discussion Paper No. 15520
IZA Discussion Paper No. 14894
IZA Discussion Paper No. 14323
IZA Discussion Paper No. 8996
IZA Discussion Paper No. 2592
published in: Kjell Törnblom and Riel Vermunt (eds.), Distributive and Procedural Justice: Research and Social Applications. London, UK: Ashgate, 2007
IZA Discussion Paper No. 465
revised version published in: Economic Journal, 2006, 116 (513), 659-679