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The Optimal Monetary Policy Response to Exchange Rate Misalignments

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  • Simon Wren-Lewis
  • Campbell Leith

Abstract

A common feature of exchange rate misalignments is that they produce a divergence between traded and non-traded goods sectors, leading to pressures on monetary policy makers to react. In this paper we develop a small open economy model which features traded and non-traded goods sectors with which to assess the extent to which monetary policy should respond to exchange rate misalignments. To do so we initially contrast the efficient outcome of the model with that under flexible prices and find that the flex-price equilibrium exhibits an excessive exchange rate appreciation in the face of a positive UIP shock. By introducing sticky prices in both sectors we provide a role for policy in the face of UIP shocks. We then derive a quadratic approximation to welfare which comprises quadratic terms in the output gaps in both sectors as well as sectoral rates of inflation. These can be rewritten in terms of the usual aggregate variables, but only after including terms in relative sectoral prices and/or the terms of trade to capture the sectoral composition of aggregates. We derive optimal policy analytically before giving numerical examples of the optimal response to UIP shocks. Finally, we contrast the optimal policy with a number of alternative policy stances and assess the robustness of results to changes in model parameters.

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Bibliographic Info

Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 305.

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Date of creation: 01 Jan 2007
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Handle: RePEc:oxf:wpaper:305

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Keywords: Exchange Rate Misalignment; Monetary Policy; Non-Traded Goods;

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References

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  1. Ben Bernanke & Mark Gertler, 1999. "Monetary policy and asset price volatility," Economic Review, Federal Reserve Bank of Kansas City, issue Q IV, pages 17-51.
  2. Benigno, Gianluca & Thoenissen, Christoph, 2008. "Consumption and real exchange rates with incomplete markets and non-traded goods," Journal of International Money and Finance, Elsevier, vol. 27(6), pages 926-948, October.
  3. Kollmann, Robert, 2005. "Macroeconomic effects of nominal exchange rate regimes: new insights into the role of price dynamics," Journal of International Money and Finance, Elsevier, vol. 24(2), pages 275-292, March.
  4. Bennett T. McCallum & Edward Nelson, 2001. "Monetary Policy for an Open Economy: An Alternative Framework with Optimizing Agents and Sticky Prices," NBER Working Papers 8175, National Bureau of Economic Research, Inc.
  5. Campbell Leith & Simon Wren-Lewis, 2006. "The Costs of Fiscal Inflexibility - Extended," Working Papers 2005_23, Business School - Economics, University of Glasgow.
  6. Galí, Jordi & Monacelli, Tommaso, 2002. "Monetary Policy and Exchange Rate Volatility in a Small Open Economy," CEPR Discussion Papers 3346, C.E.P.R. Discussion Papers.
  7. Campbell Leith & Jim Malley, . "A Sectoral Analysis of Price-Setting Behavior in US Manufacturing Industries," Working Papers 2003_7, Business School - Economics, University of Glasgow, revised May 2003.
  8. David Bowman & Brian M. Doyle, 2003. "New Keynesian, open-economy models and their implications for monetary policy," International Finance Discussion Papers 762, Board of Governors of the Federal Reserve System (U.S.).
  9. 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.
  10. Dupor, Bill, 2005. "Stabilizing non-fundamental asset price movements under discretion and limited information," Journal of Monetary Economics, Elsevier, vol. 52(4), pages 727-747, May.
  11. Giancarlo Corsetti & Luca Dedola & Sylvain Leduc, 2008. "International Risk Sharing and the Transmission of Productivity Shocks," Review of Economic Studies, Oxford University Press, vol. 75(2), pages 443-473.
  12. Lane, Philip R., 2001. "The new open economy macroeconomics: a survey," Journal of International Economics, Elsevier, vol. 54(2), pages 235-266, August.
  13. Giancarlo Corsetti & Paolo Pesenti, 2001. "International dimensions of optimal monetary policy," Staff Reports 124, Federal Reserve Bank of New York.
  14. Nooman Rebei & Eva Ortega, 2005. "A Two Sector Small Open Economy Model. Which Inflation to Target?," Computing in Economics and Finance 2005 298, Society for Computational Economics.
  15. 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.
  16. Riccardo Cristadoro & Andrea Gerali & Stefano Neri & Massimiliano Pisani, 2006. "Nominal Rigidities in an Estimated Two Country," Computing in Economics and Finance 2006 162, Society for Computational Economics.
  17. Bergin, Paul R., 2006. "How well can the New Open Economy Macroeconomics explain the exchange rate and current account?," Journal of International Money and Finance, Elsevier, vol. 25(5), pages 675-701, August.
  18. Jordi Gali & Tommaso Monacelli, 2005. "Optimal fiscal policy in a monetary union," Proceedings, Federal Reserve Bank of San Francisco.
  19. Tatiana Kirsanova & Campbell Leith & Simon Wren-Lewis, 2006. "Should Central Banks Target Consumer Prices or the Exchange Rate?," Economic Journal, Royal Economic Society, vol. 116(512), pages F208-F231, 06.
  20. Richard Clarida & Jordi Gali & Mark Gertler, 2001. "Optimal Monetary Policy in Closed versus Open Economies: An Integrated Approach," NBER Working Papers 8604, National Bureau of Economic Research, Inc.
  21. Campbell Leith & Simon Wren-lewis, 2006. "The Costs of Fiscal Inflexibility," WEF Working Papers 0005, ESRC World Economy and Finance Research Programme, Birkbeck, University of London.
  22. Julio J. Rotemberg & Michael Woodford, 1999. "Interest Rate Rules in an Estimated Sticky Price Model," NBER Chapters, in: Monetary Policy Rules, pages 57-126 National Bureau of Economic Research, Inc.
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Citations

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Cited by:
  1. Leith, Campbell & Wren-Lewis, Simon, 2009. "Taylor rules in the open economy," European Economic Review, Elsevier, vol. 53(8), pages 971-995, November.
  2. Laura Povoledo, 2009. " The Volatility of the Tradeable and Nontradeable Sectors: Theory and Evidence," CDMA Conference Paper Series 0901, Centre for Dynamic Macroeconomic Analysis.
  3. Fernando Alexandre & Pedro Bação & John Driffill, 2007. "Optimal monetary policy with a regime-switching exchange rate in a forward-looking model," NIPE Working Papers 26/2007, NIPE - Universidade do Minho.
  4. Charles Engel, 2009. "Currency Misalignments and Optimal Monetary Policy: A Re-examination," RBA Research Discussion Papers rdp2009-01, Reserve Bank of Australia.
  5. Jian Wang, 2007. "Home bias, exchange rate disconnect, and optimal exchange rate policy," Working Papers 0701, Federal Reserve Bank of Dallas.
  6. Adriana Soares Sales & João Barata Ribeiro Blanco Barroso, 2012. "Coping with a Complex Global Environment: a Brazilian perspective on emerging market issues," Working Papers Series 292, Central Bank of Brazil, Research Department.

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