Working Papers, Bar-Ilan University, Department of Economics 2013-04
We use U.S. county-level data to estimate convergence rates for 22 individual states. We find significant heterogeneity. E.g., the California estimate is 19.9 percent and the New York estimate is 3.3 percent. Convergence rates are essentially uncorrelated with income levels.
Economic Growth Conditional Convergence Heterogeneity U.S. County Level Data