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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. Adolfson, Malin & Laséen, Stefan & Lindé, Jesper & Svensson, Lars E.O., 2014. "Monetary policy trade-offs in an estimated open-economy DSGE model," Journal of Economic Dynamics and Control, Elsevier, vol. 42(C), pages 33-49.
  2. Ester Faia & Tommaso Monacelli, 2008. "Optimal Monetary Policy in a Small Open Economy with Home Bias," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(4), pages 721-750, 06.
  3. Charles Engel, 1999. "Accounting for U.S. Real Exchange Rate Changes," Journal of Political Economy, University of Chicago Press, vol. 107(3), pages 507-538, June.
  4. Svensson, Lars E. O., 1999. "Inflation targeting as a monetary policy rule," Journal of Monetary Economics, Elsevier, vol. 43(3), pages 607-654, June.
  5. 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.
  6. 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.
  7. De Paoli, Bianca, 2009. "Monetary policy and welfare in a small open economy," Journal of International Economics, Elsevier, vol. 77(1), pages 11-22, February.
  8. Svensson, Lars E. O., 2002. "Inflation targeting: Should it be modeled as an instrument rule or a targeting rule?," European Economic Review, Elsevier, vol. 46(4-5), pages 771-780, May.
  9. Pappa, Evi, 2004. "Do the ECB and the fed really need to cooperate? Optimal monetary policy in a two-country world," Journal of Monetary Economics, Elsevier, vol. 51(4), pages 753-779, May.
  10. Leitemo, Kai & Soderstrom, Ulf, 2005. "Simple monetary policy rules and exchange rate uncertainty," Journal of International Money and Finance, Elsevier, vol. 24(3), pages 481-507, April.
  11. Michael B. Devereux & Charles Engel, 2003. "Monetary Policy in the Open Economy Revisited: Price Setting and Exchange-Rate Flexibility," Review of Economic Studies, Oxford University Press, vol. 70(4), pages 765-783.
  12. Erceg, Christopher J. & Henderson, Dale W. & Levin, Andrew T., 2000. "Optimal monetary policy with staggered wage and price contracts," Journal of Monetary Economics, Elsevier, vol. 46(2), pages 281-313, October.
  13. 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.
  14. Sutherland, Alan, 2005. "Incomplete pass-through and the welfare effects of exchange rate variability," Journal of International Economics, Elsevier, vol. 65(2), pages 375-399, March.
  15. Nooman Rebei & Steven Ambler & Ali Dib, 2004. "Optimal Taylor Rules in an Estimated Model of a Small Open Economy," Econometric Society 2004 North American Summer Meetings 627, Econometric Society.
  16. Günter Coenen & Giovanni Lombardo & Frank Smets & Roland Straub, 2007. "International Transmission and Monetary Policy Cooperation," NBER Chapters,in: International Dimensions of Monetary Policy, pages 157-192 National Bureau of Economic Research, Inc.
  17. Wang, Jian, 2010. "Home bias, exchange rate disconnect, and optimal exchange rate policy," Journal of International Money and Finance, Elsevier, vol. 29(1), pages 55-78, February.
  18. Smets, Frank & Wouters, Raf, 2002. "Openness, imperfect exchange rate pass-through and monetary policy," Journal of Monetary Economics, Elsevier, vol. 49(5), pages 947-981, July.
  19. Aoki, Kosuke, 2001. "Optimal monetary policy responses to relative-price changes," Journal of Monetary Economics, Elsevier, vol. 48(1), pages 55-80, August.
  20. Cambell Leith & Simon Wren-Lewis, 2006. " The Optimal Monetary Policy Response to Exchange Rate Misalignments," CDMA Conference Paper Series 0605, Centre for Dynamic Macroeconomic Analysis.
  21. Kollmann, Robert, 2002. "Monetary policy rules in the open economy: effects on welfare and business cycles," Journal of Monetary Economics, Elsevier, vol. 49(5), pages 989-1015, July.
  22. Gianluca Benigno & Pierpaolo Benigno, 2003. "Price Stability in Open Economies," Review of Economic Studies, Oxford University Press, vol. 70(4), pages 743-764.
  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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