1. The economic implications of learning by doing;Arrow;Review of Economic Studies,1962
2. Quality ladders in the theory of growth;Grossman;Review of Economic Studies,1991
3. Innovation and growth in the global economy;Grossman,1991
4. Investment in education and U.S. economic growth;Jorgenson,1991
5. On the mechanics of development;Lucas;Journal of Monetary Economics,1988