65 IZA Discussion Papers
IZA Discussion Paper No. 2244
published in: Perspektiven der Wirtschaftspolitik, 2006, 7(4), 471-499
IZA Discussion Paper No. 2225
revised version published in: B.E. Journal of Theoretical Economics, 2012, 12 (1), Article 33
IZA Discussion Paper No. 1450
revised version published in: Economic Journal, 2008, 118(531), 1354-1384
IZA Discussion Paper No. 1242
published in: Journal of Economic Growth, 2005, 10 (3), 229-270
IZA Discussion Paper No. 964
published in: Structural Change and Economic Dynamics, 2006, 17 (2), 127-147