2 IZA Discussion Papers
IZA Discussion Paper No. 11971
revised version published in: Oxford Bulletin of Economics and Statistics, 2021, 83 (4), 1024 - 1047
IZA Discussion Paper No. 11606
revised version published in: Review of Economics of the Household, 2021, https://doi.org/10.1007/s11150-021-09580-9