63 IZA Discussion Papers
IZA Discussion Paper No. 2434
published in: Economics of Education Review, 2010, 29 (3), 319-328, revised version available here
IZA Discussion Paper No. 2111
published in: Quarterly Journal of Economics, 2007, 122 (1), 159-208
IZA Discussion Paper No. 2096
revised version published as 'Health Shocks, Disability and Work' in: Labour Economics, 2016, 43, 186-200