3 IZA Discussion Papers
IZA Discussion Paper No. 12815
published in: Journal of the Economics of Ageing, 2020, 15, 100235
IZA Discussion Paper No. 9920
published in: ILR Review, 2021, 74 (2), 321–351
IZA Discussion Paper No. 5412
published in: American Economic Journal: Economic Policy, 2014, 6 (4), 34-70