5 IZA Discussion Papers
IZA Discussion Paper No. 11812
revised version published in: Latin American Economic Review, 2019, 28:15, https://doi.org/10.1186/s40503-019-0079-z
IZA Discussion Paper No. 10892
IZA Discussion Paper No. 9577
IZA Discussion Paper No. 7572
IZA Discussion Paper No. 3047
published in: Journal of Regional Science, 2009, 49 (4), 721-747