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External trade and monetary policy in a currency area

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  • Martina Cecioni

    ()
    (Bank of Italy, Economics, Research and International Relations)

Abstract

For historical and geographical reasons, the member countries of the European Monetary Union (EMU) display different degrees of external trade openness. The paper lays out a model for a currency area composed of two regions. One region is more open to trade with a third country outside the area than the other. Using the utility-based loss function for the currency area, the optimal monetary policy is compared to the one for a homogeneous area. In the model with heterogeneity, the relative competitiveness across regions influences the extent to which shocks are transmitted to the area-wide inflation and output gap. Under a plausible calibration for the EMU, the optimal policy plan exhibits a stronger tendency towards currency area exchange rate stabilization than the one in the homogeneity case. Moreover, it is welfare-improving to forgo some area-wide inflation stabilization to dampen inflation differentials.

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Bibliographic Info

Paper provided by Bank of Italy, Economic Research and International Relations Area in its series Temi di discussione (Economic working papers) with number 738.

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Date of creation: Jan 2010
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Handle: RePEc:bdi:wptemi:td_738_10

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Web page: http://www.bancaditalia.it
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Keywords: Monetary union; optimal monetary policy; loss function;

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References

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  1. Aoki, Kosuke, 2001. "Optimal monetary policy responses to relative-price changes," Journal of Monetary Economics, Elsevier, vol. 48(1), pages 55-80, August.
  2. Philip Lane & Patrick Honohan, 2005. "Exchange Rates and Inflation under EMU: An Update," The Institute for International Integration Studies Discussion Paper Series iiisdp031, IIIS.
  3. Alejandro Micco & Ernesto H. Stein & Guillermo Luis Ordoñez, 2003. "The Currency Union Effect on Trade: Early Evidence from EMU," Research Department Publications 4339, Inter-American Development Bank, Research Department.
  4. Pierpaolo Benigno & Michael Woodford, 2006. "Linear-quadratic approximation of optimal policy problems," Discussion Papers 0607-02, Columbia University, Department of Economics.
  5. Angeloni, Ignazio & Ehrmann, Michael, 2004. "Euro area inflation differentials," Working Paper Series 0388, European Central Bank.
  6. 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.
  7. Patrick Honohan & Philip R. Lane, 2003. "Divergent inflation rates in EMU," Economic Policy, CEPR & CES & MSH, vol. 18(37), pages 357-394, October.
  8. Fagan, Gabriel & Henry, Jérôme & Mestre, Ricardo, 2001. "An area-wide model (AWM) for the euro area," Working Paper Series 0042, European Central Bank.
  9. 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.
  10. Ferrero, Andrea, 2009. "Fiscal and monetary rules for a currency union," Journal of International Economics, Elsevier, vol. 77(1), pages 1-10, February.
  11. Benigno, Pierpaolo & Lopez-Salido, J. David, 2006. "Inflation Persistence and Optimal Monetary Policy in the Euro Area," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(3), pages 587-614, April.
  12. Pau Rabanal, 2009. "Inflation Differentials between Spain and the EMU: A DSGE Perspective," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(6), pages 1141-1166, 09.
  13. Benigno, Pierpaolo, 2004. "Optimal monetary policy in a currency area," Journal of International Economics, Elsevier, vol. 63(2), pages 293-320, July.
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Cited by:
  1. Jochen Michaelis, 2012. "Optimal Monetary Policy in a Currency Union: The Role of the Cost Channel," MAGKS Papers on Economics 201203, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).

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