4 IZA Discussion Papers
IZA Discussion Paper No. 13692
IZA Discussion Paper No. 13057
published in: The Stata Journal, 2020, 20 (3), 505–531
IZA Discussion Paper No. 12811
published in: Review of Income and Wealth online first at https://onlinelibrary.wiley.com/doi/full/10.1111/roiw.12489 (Open Access)
IZA Discussion Paper No. 12810
published in: New Zealand Economic Papers, 54 (3), September 2020, 211-238 (Open Access)