In this paper we use a long memory framework to examine the validity of the Purchasing Power Parity (PPP) hypothesis using both monthly and quarterly data for a panel of 47 countries over a fifty year period (1957 to 2009). The analysis focusses on the long memory parameter d that allows us to...

This paper tests the bilateral price-level convergence among 52 U.S. cities at the good level. We employ a new approach which is free of problems that arise when using an arbitrary benchmark, cross-section dependence, and heterogeneity. We find quite strong evidence in favor of convergence with...

In this paper we use a long memory framework to examine the validity of the Purchasing Power Parity (PPP) hypothesis using both monthly and quarterly data for a panel of 47 countries over a fifty year period (1957 to 2009). The analysis focusses on the long memory parameter d that allows us to...