1. Aghion, P. and Howitt, P. (1992). A Model of Growth Through Creative Destruction. Econometrica, 60 (2), 323–352.
2. Cass, D. (1965). Optimum Growth in an Aggregative Model of Capital Accumulation. Review of Economic Studies, 32 (3), 233–240.
3. Grossman, G. and Helpman, E. (1991). Inovation and Growth in the Global Economy. Cambridge: MIT Press.
4. Hansen, G. and Prescott, E.C. (1999). From Malthus to Solow. Unpublished Manuscript, University of Minnesota.
5. International Monetary Fund. (1994). International Financial Statistics Yearbook. Washington, D.C.: International Monetary Fund.