Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
This paper empirically tests for convergence in consumer price indices across 17 major cities in US over the 1918–2008 period. By using the novel OLS estimator introduced by Bao, Y., Dhongde, S., 2009. Testing convergence in income distribution. Oxford Bulletin of Economics and Statistics 71, 295–302, we find overwhelming evidences in support of price level convergence over time.