3 IZA Discussion Papers
IZA Discussion Paper No. 12223
published in: Regional Studies, 2021, 55 (3), 479-494
IZA Discussion Paper No. 12061
published in: World Development, 2019, 117, 48 - 60
IZA Discussion Paper No. 11488
published in: Journal of International Economics, 2018, 113, 35-54