6 IZA Discussion Papers
IZA Discussion Paper No. 14080
IZA Discussion Paper No. 13211
IZA Discussion Paper No. 12116
published in: Journal of the Economics of Ageing, 2019, 14, 100182
IZA Discussion Paper No. 9406
revised and shortened version published in: European Journal of Political Economy, 2019, 59, 331-344
IZA Discussion Paper No. 9327
published in: Demography, 2019, 56, 1389–1425
IZA Discussion Paper No. 938
published in: K. F. Zimmermann (ed.), European Migration - What Do We Know?, Oxford University Press, 2005