164 IZA Discussion Papers
IZA Discussion Paper No. 534
IZA Discussion Paper No. 506
published in: German Economic Review, 2003, 4 (2), 139-150
IZA Discussion Paper No. 335
revised version published as 'Occupational Job Creation: Patterns and Implications' in: Oxford Economic Papers, 2004, 56 (3), 407-436
IZA Discussion Paper No. 144
published in: Jonas Agell, Michael Keen and Alfons Weichenrieder (eds.), Labor Market Institutions and Public Regulation, 2004, 101-122