Alberto Alesina Department of Economics, Harvard University, IGIER Bocconi, NBER and CEPR
Michela Carlana Harvard Kennedy School and IZA
Eliana La Ferrara Department of Economics, IGIER and LEAP, Bocconi University
Paolo Pinotti Department of Social and Political Sciences at Bocconi University, DONDENA, and Fondazione Rodolfo Debenedetti
The paper may be downloaded here.