Huang, Ho-Chuan; Lin, Pei-Chien; Yeh, Chih-Chuan - In: Applied Economics Letters 18 (2011) 1, pp. 87-93
This article empirically tests for convergence in Consumer Price Indices (CPIs) across 17 major cities in the United States over the period 1918 to 2008. Although the conventional panel unit root tests generally fail to reject the null hypothesis of nonstationarity, the panel LM tests of Im et...
