5 IZA Discussion Papers
IZA Discussion Paper No. 13932
IZA Discussion Paper No. 12524
IZA Discussion Paper No. 6958
published as 'Does Education Improve Cognitive Performance Four Decades After School Completion?' in: Demography, 2014, 51 (2), 619-643
IZA Discussion Paper No. 6210
revised version published as 'Height, Ageing and Cognitive Abilities across Europe' in: Economics and Human Biology, 2015, 16, 16-29.
IZA Discussion Paper No. 4780
published in: Economic Journal, 2010, 120 (548), F411-F428