1. Economic growth in a cross section of countries;Barro;Quarterly Journal of Economics,1991
2. Convergence across states and regions;Barro;Brookings Papers on Economic Activity,1991
3. Convergence;Barro;Journal of Political Economy,1992
4. Productivity growth, convergence and welfare;Baumol;American Economic Review,1986
5. Empirical implications of the convergence hypothesis;Bernard,1991