Young, Andrew T.; Higgins, Matthew J.; Levy, Daniel - In: Economics Letters 120 (2013) 2, pp. 238-241
We use US county-level data to estimate convergence rates for 22 individual states. We find significant heterogeneity. E.g., the California estimate is 19.9% and the New York estimate is 3.3%. Convergence rates are essentially uncorrelated with income levels.