1.104 IZA Discussion Papers
IZA Discussion Paper No. 144
published in: Jonas Agell, Michael Keen and Alfons Weichenrieder (eds.), Labor Market Institutions and Public Regulation, 2004, 101-122
IZA Discussion Paper No. 49
published in: Scandinavian Journal of Economics, 2002, 104 (4), 641-656
IZA Discussion Paper No. 43
IZA Discussion Paper No. 22