1. Public investment, the rate of return and optimal fiscal policy;Arrow,1970
2. Is public expenditure productive?;Aschauer;Journal of Monetary Economics,1989
3. Government spending in a simple model of endogenous growth;Barro;Journal of Political Economy,1990
4. Estimating the contribution of urban public infrastructure to regional growth;Eberts,1986
5. The contribution of publicly provided inputs to states' economies;Garcia-Mila,,1988