3 IZA Discussion Papers
IZA Discussion Paper No. 10321
published in: Annual Review of Economics, 8 2016, 521-546
IZA Discussion Paper No. 1335
published as 'Bringing Unemployed Back to Work: Effective Active Labor Market Policies' in: De Economist, 2007, 157 (3), 293-313
IZA Discussion Paper No. 527
published in: Journal of Comparative Economics, 2004, 32 (1), 37-55