3 IZA Discussion Papers
IZA Discussion Paper No. 6836
published in: Papers in Regional Science, 2013, 92, 271-283.
IZA Discussion Paper No. 6727
published in: IZA Journal of Labor & Development, 2014, 3:1
IZA Discussion Paper No. 6556
Published in: Research On Economic Inequality, Volume, F24. Editors: John A. Bishop and Juan Gabriel Rodriguez. (pp. 123-156). ISSN: 1049-2585/