We show the importance of a dynamic aggregation bias in accounting for the PPP puzzle. We prove that established time-series and panel methods substantially exaggerate the persistence of real exchange rates because of heterogeneity in the dynamics of disaggregated relative prices. When...

This paper addresses the issue of the appropriate exchange rate regimes for Jordan and Lebanon in the context of the literature on optimum currency areas and the arguments concerning the use of the exchange rate as a nominal anchor for the economy. It presents some empirical results on the...

The paper investigates the determinants of business cycles synchronization across regions. It uses both international and intranational data to evaluate the linkages between trade in goods, trade in financial assets, specialization and business cycles synchronization using a system of...