Higgins, Matthew J.; Levy, Daniel; Young, Andrew T. - In: Review of Economics and Statistics 88 (2006) 4, pp. 671-681
We use U.S. county data (3,058 observations) and 41 conditioning variables to study growth and convergence. Using … and metro, nonmetro, and and regional samples: (1) OLS yields convergence rates around 2%; 3SLS yields 6%–8%; (2 …) convergence rates vary (for example, the Southern rate is 2.5 times the Northeastern rate); (3) federal, state, and local …