Julien Malizard UMR 5281 ART-Dev, University Montpellier 1   Department of Economics Avenue Raymond Dugrand Montpellier, 34960 France   julien.malizard@univ-montp1.fr             JEL Areas: H5 : National Government Expenditures and Related Policies National Government Expenditures and Related Policies: General O4 : Economic Growth and Aggregate Productivity: General