5 IZA Discussion Papers
IZA Discussion Paper No. 16538
IZA Discussion Paper No. 7976
substantially revised version published in: Journal of Economic Growth, 2016, 21 (2), 189-224
IZA Discussion Paper No. 6114
IZA Discussion Paper No. 3837
published in: Scandinavian Journal of Economics, 2008, 110 (4), 777–805
IZA Discussion Paper No. 2886
published in: Quarterly Journal of Economics, 2009, 124(2), 531-596