1. Ades, A., Di Tella, R., 1994. Competition and Corruption. Institute of Economics and Statistics Discussion Papers 169, University of Oxford.
2. Barro, R., 1992. Human capital and economic growth. In: Federal Reserve Bank of Kansas City, Policies for Long-Run Economic Growth, pp. 199–216.
3. Economic growth in a cross-section of countries;Barro;Quarterly Journal of Economics,1991
4. Government spending in a simple model of endogenous growth;Barro;Journal of Political Economy,1990
5. What do governments buy? The composition of public spending and economic performance;Devarajan;Journal of Monetary Economics,1996