Currency Misalignments and Optimal Monetary Policy: A Re-examination
AbstractThis paper examines optimal monetary policy in an open-economy two-country model with sticky prices. Currency misalignments are shown to be inefficient and lower world welfare. Also, 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 involves only the CPI inflation rate. This result illustrates how examination of ‘instrument rules’ may hide important trade-offs facing policy-makers that are incorporated in ‘targeting rules’. The model is a modified version of Clarida, Galí and Gertler’s (2002). The key change is to allow pricing to market or local-currency pricing and consider the policy implications of currency misalignments. Besides highlighting the importance of the currency misalignment, this model also gives a rationale for targeting CPI inflation, rather than producer price inflation as in Clarida, Galí and Gertler.
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Bibliographic InfoPaper provided by Reserve Bank of Australia in its series RBA Research Discussion Papers with number rdp2009-01.
Date of creation: Mar 2009
Date of revision:
Other versions of this item:
- Charles Engel, 2011. "Currency Misalignments and Optimal Monetary Policy: A Reexamination," American Economic Review, American Economic Association, vol. 101(6), pages 2796-2822, October.
- Charles Engel, 2009. "Currency Misalignments and Optimal Monetary Policy: A Reexamination," NBER Working Papers 14829, National Bureau of Economic Research, Inc.
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
- F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-04-05 (All new papers)
- NEP-CBA-2009-04-05 (Central Banking)
- NEP-MAC-2009-04-05 (Macroeconomics)
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