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The Optimal Currency Basket with Input Currency and Output Currency

  • Kang Shi

    (The Chinese University of Hong Kong)

  • Juanyi Xu

    (Hong Kong University of Science and Technology)

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    This paper explores the determination of the optimal currency basket in a small open economy general equilibrium model with sticky prices. In contrast to traditional literature, we focus on an economy with vertical trade, where one currency is used as the invoicing currency of imported intermediate goods and is called the "input currency", while the other currency is used for the invoicing of exported finished goods and is called the "output currency". We find that in the optimal currency basket the weight between the input currency and the output currency depends critically on the structure of vertical trade. Moreover, we show that if a country decides to choose a single-currency peg, then the choice of pegging currency depends mainly on how other economies respond to external exchange rate fluctuations. In a sense, our paper provides a case for the Chinese RMB peg in some East Asian economies, given the importance of the RMB as an input currency.

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    Paper provided by Hong Kong Institute for Monetary Research in its series Working Papers with number 172008.

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    Length: 27 pages
    Date of creation: Sep 2008
    Date of revision:
    Handle: RePEc:hkm:wpaper:172008
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    1. Jordi Gali & Tommaso Monacelli, 2002. "Monetary Policy and Exchange Rate Volatility in a Small Open Economy," NBER Working Papers 8905, National Bureau of Economic Research, Inc.
    2. Philip R. Lane & Michael B. Devereux,Juanyi Xu, 2005. "Exchange Rates and Monetary Policy in Emerging Market Economies," The Institute for International Integration Studies Discussion Paper Series iiisdp036, IIIS.
    3. Stephanie Schmitt-Grohe & Martin Uribe, 2002. "Solving Dynamic General Equilibrium Models Using a Second-Order Approximation to the Policy Function," NBER Technical Working Papers 0282, National Bureau of Economic Research, Inc.
    4. Reinhart, Carmen & Calvo, Guillermo, 2002. "Fear of floating," MPRA Paper 14000, University Library of Munich, Germany.
    5. Cook, David & Devereux, Michael B, 2004. "External Currency Pricing and the East Asian Crisis," CEPR Discussion Papers 4642, C.E.P.R. Discussion Papers.
    6. Keller, Wolfgang, 2000. "Do Trade Patterns and Technology Flows Affect Productivity Growth?," World Bank Economic Review, World Bank Group, vol. 14(1), pages 17-47, January.
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    9. Teo, Wing Leong, 2009. "Should East Asia's currencies be pegged to the yen? The role of invoice currency," Journal of the Japanese and International Economies, Elsevier, vol. 23(3), pages 283-308, September.
    10. Stephanie Schmitt-Grohe & Martin Uribe, 2000. "Stabilization Policy and the Costs of Dollarization," Departmental Working Papers 200006, Rutgers University, Department of Economics.
    11. David Hummels & Jun Ishii & Kei-Mu Yi, 1999. "The nature and growth of vertical specialization in world trade," Staff Reports 72, Federal Reserve Bank of New York.
    12. Turnovsky, Stephen J., 1982. "A determination of the optimal currency basket : A macroeconomic analysis," Journal of International Economics, Elsevier, vol. 12(3-4), pages 333-354, May.
    13. Eva Ortega & Nooman Rebei, 2006. "The Welfare Implications of Inflation versus Price-Level Targeting in a Two-Sector, Small Open Economy," Working Papers 06-12, Bank of Canada.
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    15. Basu, Susanto & Fernald, John G, 1997. "Returns to Scale in U.S. Production: Estimates and Implications," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 249-83, April.
    16. Kang Shi & Juanyi Xu, 2007. "Optimal Monetary Policy with Vertical Production and Trade," Review of International Economics, Wiley Blackwell, vol. 15(3), pages 514-537, 08.
    17. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 1997. "Monetary policy shocks: what have we learned and to what end?," Working Paper Series, Macroeconomic Issues WP-97-18, Federal Reserve Bank of Chicago.
    18. Huang, Kevin X.D. & Liu, Zheng, 2006. "Sellers' local currency pricing or buyers' local currency pricing: does it matter for international welfare analysis?," Journal of Economic Dynamics and Control, Elsevier, vol. 30(7), pages 1183-1213, July.
    19. Kei-Mu Yi, 2000. "Can vertical specialization explain the growth of world trade?," Staff Reports 96, Federal Reserve Bank of New York.
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    21. David Hummels & Dana Rapoport & Kei-Mu Yi, 1998. "Vertical specialization and the changing nature of world trade," Economic Policy Review, Federal Reserve Bank of New York, issue Jun, pages 79-99.
    22. Betts, Caroline & Devereux, Michael B., 2000. "Exchange rate dynamics in a model of pricing-to-market," Journal of International Economics, Elsevier, vol. 50(1), pages 215-244, February.
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