1. Catching up, forging ahead, and falling behind;Abramovitz;Journal of Economic History,1986
2. Public investment, the rate of return and optimal fiscal policy;Arrow,1970
3. Fertility choice in a model of economic growth;Barro;Econometrica,1989
4. Productivity growth, convergence, and welfare: Reply;Baumol;American Economic Review,1988
5. Productivity and American leadership;Baumol,1989