5 IZA Discussion Papers
IZA Discussion Paper No. 13464
IZA Discussion Paper No. 9423
published in: Economics, 2018, 12 (1), 20180056
IZA Discussion Paper No. 9024
published in: Regional Studies, 2016, 50 (9), 1469-1482
IZA Discussion Paper No. 8382
IZA Discussion Paper No. 2477
published in: Journal of Public Economics, 2007, 91 (5-6), 1197-1218