3 IZA Discussion Papers
IZA Discussion Paper No. 14386
published in: Journal of Public Economics, 2023, 226, 104968
IZA Discussion Paper No. 13970
published in: Journal of Regional Analysis & Policy, 2021, 51 (1), 1-13
IZA Discussion Paper No. 12175
now IZA Discussion Papers 14386 and 14991