43 IZA Discussion Papers
IZA Discussion Paper No. 4775
published as 'Body Size, Skills, and Income: Evidence From 150,000 Teenage Siblings' in: Demography, 2014, 51, 1573-1596
IZA Discussion Paper No. 2735
revised version published in: American Economic Review, 2010, 100 (3), 1238–1260
IZA Discussion Paper No. 609