A number of emerging markets have experienced substantial real exchange rate appreciation in recent years, generating concerns about competitiveness and prompting policymakers to respond with a combination of mitigating policies. This paper shows that fiscal policy can play a role in alleviating...

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...