5 IZA Discussion Papers
IZA Discussion Paper No. 15770
IZA Discussion Paper No. 13517
IZA Discussion Paper No. 13421
IZA Discussion Paper No. 13292
published in: Review of Income and Wealth, 2022, 68 (4), 922-950
IZA Discussion Paper No. 10718
published in: Journal of Development Economics, 2018, 135, 555-573