65 IZA Discussion Papers
IZA Discussion Paper No. 2672
published in: Cambridge Journal of Economics, 2008, 32 (6), 963-976
IZA Discussion Paper No. 1958
published in: Journal of Economic History, 2010, 70 (1), 83 - 117
IZA Discussion Paper No. 1593
IZA Discussion Paper No. 799
published in: Oxford Economic Papers, 2005, 57 (1), 169-189
IZA Discussion Paper No. 132
published in: Explorations in Economic History, 2001, 38 (4), 478-502