204 IZA Discussion Papers
IZA Discussion Paper No. 531
published in: Economic Modelling, 2003, 20 (2), 237-273
IZA Discussion Paper No. 205
published in: Economic Journal, 2002, 112 (480), F585-606
IZA Discussion Paper No. 186
published in: Swedish Economic Policy Review, 2000, 7 (2), 213-244
IZA Discussion Paper No. 144
published in: Jonas Agell, Michael Keen and Alfons Weichenrieder (eds.), Labor Market Institutions and Public Regulation, 2004, 101-122