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Openness and the case for flexible exchange rates

  • Giancarlo Corsetti

Models of stabilization in open economy traditionally emphasize the role of exchange rates as a substitute for nominal price flexibility in fostering relative price adjustment. This view has been recently criticized on the ground that, to the extent that prices are sticky in local currency, the exchange rate does not play the stabilizing role envisioned by the received wisdom. An important question is whether, for this very reason, stabilization policies should limit exchange rate movements, or even eliminate them altogether. In this paper, I re-assess this issue by extending the Corsetti and Pesenti (2001) model to allow for home bias in consumption, so that I can exploit the advantages of closed-form solutions. While this extension leaves most properties of the model unaffected, home bias implies that the real exchange rate in an efficient equilibrium is not constant, but fluctuates with the terms of trade. The weight that monetary authorities optimally place on stabilizing domestic marginal costs is increasing in Home bias. With asymmetric shocks, fixed exchange rates are incompatible with efficient monetary rules. Yet, the adverse welfare consequences of exchange rate movements constrain the optimal intensity of monetary responses to domestic shocks. Openness matters: the larger the import content of consumption, the lower the exchange rate volatility implied by optimal stabilization rules.

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Paper provided by European University Institute in its series Economics Working Papers with number ECO2005/21.

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Date of creation: 2005
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Handle: RePEc:eui:euiwps:eco2005/21
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  1. Corsetti, Giancarlo & Pesenti, Paolo, 2005. "International dimensions of optimal monetary policy," Journal of Monetary Economics, Elsevier, vol. 52(2), pages 281-305, March.
  2. 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.
  3. 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.
  4. Giancarlo CORSETTI & Luca DEDOLA, 2003. "Macroeconomics of International Price Discrimination," Economics Working Papers ECO2003/20, European University Institute.
  5. 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.
  6. Michael B. Devereux & Charles Engel, 2006. "Expenditure Switching vs. Real Exchange Rate Stabilization: Competing Objectives for Exchange Rate Policy," NBER Working Papers 12215, National Bureau of Economic Research, Inc.
  7. Ester Faia & Tommaso Monacelli, 2003. "Ramsey monetary policy and international relative prices," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
  8. Maurice Obstfeld & Kenneth Rogoff, 2003. "Global Implications of Self-Oriented National Monetary Rules," Macroeconomics 0303018, EconWPA.
  9. Richard Clarida & Jordi Gali & Mark Gertler, 2001. "Optimal Monetary Policy in Open versus Closed Economies: An Integrated Approach," American Economic Review, American Economic Association, vol. 91(2), pages 248-252, May.
  10. Corsetti, Giancarlo & Pesenti, Paolo, 2005. "The Simple Geometry of Transmission and Stabilization in Closed and Open Economies," CEPR Discussion Papers 5080, C.E.P.R. Discussion Papers.
  11. Cole, Harold L. & Obstfeld, Maurice, 1991. "Commodity trade and international risk sharing : How much do financial markets matter?," Journal of Monetary Economics, Elsevier, vol. 28(1), pages 3-24, August.
  12. 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.
  13. Corsetti, Giancarlo & Dedola, Luca & Leduc, Sylvain, 2005. "DSGE Models of High Exchange-Rate Volatility and Low Pass-Through," CEPR Discussion Papers 5377, C.E.P.R. Discussion Papers.
  14. Giancarlo Corsetti & Paolo Pesenti, 1997. "Welfare and Macroeconomic Interdependence," NBER Working Papers 6307, National Bureau of Economic Research, Inc.
  15. Benigno, Gianluca & Benigno, Pierpaolo, 2003. "Designing targeting rules for international monetary policy cooperation," Working Paper Series 0279, European Central Bank.
  16. Burstein, Ariel T. & Neves, Joao C. & Rebelo, Sergio, 2003. "Distribution costs and real exchange rate dynamics during exchange-rate-based stabilizations," Journal of Monetary Economics, Elsevier, vol. 50(6), pages 1189-1214, September.
  17. Hau, Harald, 2002. "Real Exchange Rate Volatility and Economic Openness: Theory and Evidence," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 34(3), pages 611-30, August.
  18. Monacelli, Tommaso, 2003. "Monetary policy in a low pass-through environment," Working Paper Series 0227, European Central Bank.
  19. Kollmann, Robert, 2003. "Monetary Policy Rules in an Interdependent World," CEPR Discussion Papers 4012, C.E.P.R. Discussion Papers.
  20. Sutherland, Alan, 2002. "Incomplete Pass-Through and the Welfare Effects of Exchange Rate Variability," CEPR Discussion Papers 3431, C.E.P.R. Discussion Papers.
  21. Corsetti, Giancarlo & Pesenti, Paolo, 2002. "Self-Validating Optimum Currency Areas," CEPR Discussion Papers 3220, C.E.P.R. Discussion Papers.
  22. Corsetti, Giancarlo & Dedola, Luca, 2005. "A macroeconomic model of international price discrimination," Journal of International Economics, Elsevier, vol. 67(1), pages 129-155, September.
  23. Mark Toma, 2001. "Monetary policy," Chapters, in: The Elgar Companion to Public Choice, chapter 21 Edward Elgar Publishing.
  24. Canzoneri, Matthew B. & Cumby, Robert E. & Diba, Behzad T., 2005. "The need for international policy coordination: what's old, what's new, what's yet to come?," Journal of International Economics, Elsevier, vol. 66(2), pages 363-384, July.
  25. Frank Smets & Raf Wouters, 2002. "Openness, imperfect exchange rate pass-through and monetary policy," Working Paper Research 19, National Bank of Belgium.
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