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 offers an in-depth review of the institutional arrangements underlying existing currency boards (CBAs) in Argentina (until 2001), Eastern Europe, and Asia. An index of precommitment is derived from an analysis of legislative frameworks and monetary policy operations. The index covers...