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Currency Misalignments and Optimal Monetary Policy: A Re-examination

Listed author(s):
  • Charles Engel

    (University of Wisconsin)

This 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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File URL: http://www.rba.gov.au/publications/rdp/2009/pdf/rdp2009-01.pdf
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Paper provided by Reserve Bank of Australia in its series RBA Research Discussion Papers with number rdp2009-01.

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Date of creation: Mar 2009
Handle: RePEc:rba:rbardp:rdp2009-01
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  1. Benigno, Gianluca & Benigno, Pierpaolo, 2006. "Designing targeting rules for international monetary policy cooperation," Journal of Monetary Economics, Elsevier, vol. 53(3), pages 473-506, April.
  2. Smets, Frank & Wouters, Raf, 2002. "Openness, imperfect exchange rate pass-through and monetary policy," Working Paper Series 0128, European Central Bank.
  3. Engel, C., 1996. "Accounting for U.S. Real Exchange Rate Changes," Discussion Papers in Economics at the University of Washington 96-02, Department of Economics at the University of Washington.
  4. Clarida, Richard & Gali, Jordi & Gertler, Mark, 2002. "A simple framework for international monetary policy analysis," Journal of Monetary Economics, Elsevier, vol. 49(5), pages 879-904, July.
  5. Robert Kollmann, 2002. "Monetary policy rules in the open economy: effects of welfare and business cycles," ULB Institutional Repository 2013/7628, ULB -- Universite Libre de Bruxelles.
  6. Duarte, Margarida & Obstfeld, Maurice, 2008. "Monetary policy in the open economy revisited: The case for exchange-rate flexibility restored," Journal of International Money and Finance, Elsevier, vol. 27(6), pages 949-957, October.
  7. Ester Faia & Tommaso Monacelli, 2006. "Optimal Monetary Policy in a Small Open Economy with Home Bias," Computing in Economics and Finance 2006 521, Society for Computational Economics.
  8. Lars E.O. Svensson, 1998. "Inflation Targeting as a Monetary Policy Rule," NBER Working Papers 6790, National Bureau of Economic Research, Inc.
  9. Adolfson, Malin & Laseén, Stefan & Lindé, Jesper & Svensson, Lars E.O., 2009. "Monetary Policy Trade-Offs in an Estimated Open-Economy DSGE Model," Working Paper Series 232, Sveriges Riksbank (Central Bank of Sweden).
  10. Michael Devereux & Charles Engel, 2000. "Monetary Policy in the Open Economy Revisited: Price Setting and Exchange Rate Flexibiity," Discussion Papers in Economics at the University of Washington 0016, Department of Economics at the University of Washington.
  11. Andrew Levin & Christopher J. Erceg & Dale W. Henderson, 1999. "Optimal Monetary Policy with Staggered Wage and Price Contracts," Computing in Economics and Finance 1999 1151, Society for Computational Economics.
  12. Lars E.O. Svensson, 2002. "Inflation Targeting: Should It Be Modeled as an Instrument Rule or a Targeting Rule?," NBER Working Papers 8925, National Bureau of Economic Research, Inc.
  13. Sutherland, Alan, 2002. "Incomplete Pass-Through and the Welfare Effects of Exchange Rate Variability," CEPR Discussion Papers 3431, C.E.P.R. Discussion Papers.
  14. Wang, Jian, 2007. "Home bias, exchange rate disconnect, and optimal exchange rate policy," Working Papers 0701, Federal Reserve Bank of Dallas.
  15. Simon Wren-Lewis & Campbell Leith, 2007. "The Optimal Monetary Policy Response to Exchange Rate Misalignments," Economics Series Working Papers 305, University of Oxford, Department of Economics.
  16. Aoki, Kosuke, 2001. "Optimal monetary policy responses to relative-price changes," Journal of Monetary Economics, Elsevier, vol. 48(1), pages 55-80, August.
  17. Evi Pappa, 2004. "Do the ECB and the Fed really need to cooperate? Optimal monetary policy in a two-country world," LSE Research Online Documents on Economics 512, London School of Economics and Political Science, LSE Library.
  18. Kai Leitemo & Ulf Soderstrom, 2001. "Simple monetary policy rules and exchange rate uncertainty," Proceedings, Federal Reserve Bank of San Francisco, issue Mar.
  19. Gianluca Benigno & Pierpaolo Benigno, 2003. "Price Stability in Open Economies," Review of Economic Studies, Oxford University Press, vol. 70(4), pages 743-764.
  20. Steve Ambler & Ali Dib & Nooman Rebei, 2004. "Optimal Taylor Rules in an Estimated Model of a Small Open Economy," Staff Working Papers 04-36, Bank of Canada.
  21. Coenen, Günter & Lombardo, Giovanni & Smets, Frank & Straub, Roland, 2008. "International transmission and monetary policy cooperation," Working Paper Series 0858, European Central Bank.
  22. Bianca De Paoli, 2004. "Monetary policy and welfare in a small open economy," LSE Research Online Documents on Economics 19950, London School of Economics and Political Science, LSE Library.
  23. Benigno, Gianluca, 2004. "Real exchange rate persistence and monetary policy rules," Journal of Monetary Economics, Elsevier, vol. 51(3), pages 473-502, April.
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