50 IZA Discussion Papers
IZA Discussion Paper No. 1489
published in: Oxford Economic Papers, 2009, 61 (2), 207-239
IZA Discussion Paper No. 1256
IZA Discussion Paper No. 1190
published in: Industrial and Corporate Change, 2006, 15(1), 101-122
IZA Discussion Paper No. 1147
revised version published in: European Journal of Industrial Relations, 2005, 11 (1), 71-90
IZA Discussion Paper No. 1106
published in: R. Zwengel (ed.), Gesellschaftliche Perspektiven: Jahrbuch der Hessischen Gesellschaft für Demokratie und Ökologie, 2004, 5, 55-71
IZA Discussion Paper No. 991
IZA Discussion Paper No. 888
revised version published in: Economics Letters, 2005, 88 (1), 79-84
IZA Discussion Paper No. 787
published in: Giornale degli Economisti e Annali di Economia, 2004, 33 (1), 33 - 68
IZA Discussion Paper No. 562
published in: John T. Addison and Claus Schnabel (eds.), International Handbook of Trade Unions, Cheltenham and Northampton, 2003, 415-460
IZA Discussion Paper No. 422
published in: Industrial Relations, 2004, 43 (2), 392-420