1. Convergence across States and Regions;Robert J Barro;Brookings Papers on Economic Activity,1991
2. Convergence
3. Capital mobility in neoclassical models of growth;Robert J Barro;American Economic Review,1995
4. Productivity Growth, Convergence, and Welfare: What the Long-Run Data Show;William J Baumol;The American Economic Review,1986
5. The Great Moderation;Ben Bernanke;Remarks by Governor Ben S. Bernanke At the meetings of the Eastern Economic Association,2004