The effect of far right parties on the location choice of immigrants : evidence from Lega Nord Mayors / Emanuele Bracco (Lancaster University), Maria De Paola (University of Calabria and IZA), Colin Green (Lancaster University), Vincenzo Scoppa (University of Calabria and IZA) ; IZA, Institute of Labor Economics. Bonn, Germany : IZA Institute of Labor Economics, March 2017