3 IZA Discussion Papers
IZA Discussion Paper No. 14742
published in: Economics and Human Biology, 2021, 43, 10171
IZA Discussion Paper No. 14246
published in: American Economic Journal: Economic Policy, 2022, 14 (3), 128-165
IZA Discussion Paper No. 2737
published in: Journal of Health Economics, 2009, 28 (3), 540 - 552