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The Macroeconomic Implications of a Key Currency

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Listed:
  • Matthew Canzoneri
  • Robert E. Cumby
  • Behzad Diba
  • David Lopez-Salido

Abstract

What are the macroeconomic consequences of the dominant role of the dollar in the international monetary system? Here, we present a calibrated two country model in which exports are invoiced in the key currency, and government bonds denominated in the key currency are held internationally to facilitate trade. Domestic government bonds and money are held in each country to facilitate domestic transactions. Our model generates deviations from uncovered interest parity that are as volatile as some empirical estimates, but much too small by others. Our model also speaks to some other empirical anomalies, such as the Backus - Smith puzzle. Shocks affecting asset supplies -- such as bond financed tax cuts, and open market operations -- have large effects in our model because they generate non-Ricardian changes in household wealth. Generally, shocks emanating from the key currency country do more to destabilize the world economy than equal sized shocks coming from the other country. Similarly, monetary and fiscal policy innovations in the key currency country are more potent than those in the other country. On the other hand, the key currency country is more vulnerable to financial market turbulence, such as a sell off of key currency bonds, which can lower consumption dramatically.

Suggested Citation

  • Matthew Canzoneri & Robert E. Cumby & Behzad Diba & David Lopez-Salido, 2008. "The Macroeconomic Implications of a Key Currency," NBER Working Papers 14242, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:14242
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    References listed on IDEAS

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    Cited by:

    1. Piffaretti, Nadia F., 2008. "Reshaping the International Monetary Architecture and Addressing Global Imbalances: Lessons from the Keynes Plan," MPRA Paper 12165, University Library of Munich, Germany.
    2. Édouard Vidon, 2009. "Monnaies de réserve et stabilité financière internationale," Revue d'Économie Financière, Programme National Persée, vol. 94(1), pages 219-232.
    3. Pavel Trunin & Sergey Narkevich, 2013. "Prospects for the Russian Ruble to Become Regional Reserve Currency," Working Papers 118, Gaidar Institute for Economic Policy, revised 2015.
    4. Narkevich, Siarhei & Trunin, Pavel, 2013. "Prospects for the Russian Ruble as a Regional Reserve Currency," Published Papers dok2, Russian Presidential Academy of National Economy and Public Administration.
    5. Sergey Narkevich & Pavel Trunin, 2012. "Reserve Currencies: Factors of Evolution and their Role in the World Economy," Research Paper Series, Gaidar Institute for Economic Policy, issue 162P.
    6. Piffaretti, Nadia F., 2009. "Reshaping the international monetary architecture : lessons from Keynes'plan," Policy Research Working Paper Series 5034, The World Bank.

    More about this item

    JEL classification:

    • F3 - International Economics - - International Finance
    • F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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