6 IZA Discussion Papers
IZA Discussion Paper No. 17405
IZA Discussion Paper No. 17404
IZA Discussion Paper No. 7910
IZA Discussion Paper No. 4252
published as 'The US Inflation-Unemployment Trade-off Revisited: New Evidence for Policy Making' in: Journal of Policy Modeling, 2010, 32 (6), 758-777
IZA Discussion Paper No. 2900
published in: Australian Economic Papers, 2008, 47 (4), 334-354
IZA Discussion Paper No. 179
published in: American Economic Review, 2004, 94 (4), 944-963