IZA Publications
IZA Discussion Paper No. 4170
published in: Journal of Economic Behavior and Organization, 2009, 72 (3), 903-915
IZA Discussion Paper No. 4160
revised version published in: Journal of Economic Growth, 2011, 16 (2), 99-133
IZA Discussion Paper No. 2984
slightly revised version published in: Economics Letters, 2008, 99 (3), 552-556
IZA Discussion Paper No. 2905
see IZA DP 7199 for a substantially revised and extended version
IZA Discussion Paper No. 2735
revised version published in: American Economic Review, 2010, 100 (3), 1238–1260
IZA Discussion Paper No. 2655
published in: Review of Economics and Statistics, 2010, 92(3), 684–689
IZA Discussion Paper No. 2531
IZA Discussion Paper No. 2525
IZA Discussion Paper No. 2470
revised version published in: German Economic Review, 2009, 10 (3), 284 - 316
IZA Discussion Paper No. 2380
published in: Review of Economic Studies, 2012, 79 (2), 645-677
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