Currency Misalignments and Optimal Monetary Policy: A Reexamination

Charles Engel ()

No 14829, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: This paper examines optimal monetary policy in an open-economy two-country model with sticky prices. We show that currency misalignments are inefficient and lower world welfare. We find that optimal policy must target not only inflation and the output gap, but also the currency misalignment. However the interest rate reaction function that supports this targeting rule may involve only the CPI inflation rate. This result illustrates how examination of "instrument rules" may hide important trade-offs facing policymakers that are incorporated in "targeting rules". The model is a modified version of Clarida, Gali, and Gertler's (JME, 2002). The key change is that we allow pricing to market or local-currency pricing and consider the policy implications of currency misalignments. Besides highlighting the importance of the currency misalignment, our model also gives a rationale for targeting CPI, rather than PPI, inflation.

JEL-codes: E52 F41 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-mac, nep-mon and nep-opm
Date: 2009-04
Note: IFM ME

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Working Paper: Currency Misalignments and Optimal Monetary Policy: A Re-examination (2009)
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