4 IZA Discussion Papers
IZA Discussion Paper No. 12718
published in: Journal of Economic Behavior & Organization, 2020, 176, 188--211
IZA Discussion Paper No. 12403
published in: Economia Italiana, 2019, 3, 66-98.
IZA Discussion Paper No. 11083
IZA Discussion Paper No. 10502
published in: Journal of Public Economics, 2018, 168, 162–173