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Currency portfolios and nominal exchange rates in a dual currency search economy

  • Ben R. Craig
  • Christopher J. Waller

The authors analyze a dual-currency search model in which agents may hold multiple units of both currencies. They study equilibria in which the two currencies are identical and equilibria in which the two currencies differ according to the magnitude of the "inflation tax" risk associated with each. When one currency has the right amount of risk, equilibria exist in which the safe currency trades for multiple units of the risky one (pure currency exchange). As a result, the steady state has a distribution of nominal exchange rates. The mean and variance of this distribution typically change in predictable ways when the fundamentals change.

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Paper provided by Federal Reserve Bank of Cleveland in its series Working Paper with number 9916.

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Date of creation: 1999
Date of revision:
Handle: RePEc:fip:fedcwp:9916
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  1. Soller Curtis, Elisabeth & Waller, Christopher J., 2000. "A search-theoretic model of legal and illegal currency," Journal of Monetary Economics, Elsevier, vol. 45(1), pages 155-184, February.
  2. Li, Victor E, 1995. "The Optimal Taxation of Fiat Money in Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 36(4), pages 927-42, November.
  3. Edward J. Green & Ruilin Zhou, 1996. "A Rudimentary Random-Matching Model with Divisible Money and Prices," GE, Growth, Math methods 9606001, EconWPA, revised 25 Jul 1996.
  4. S. Rao Aiyagari & Neil Wallace & Randall Wright, 1996. "Coexistence of money and interest-bearing securities," Working Papers 550, Federal Reserve Bank of Minneapolis.
  5. Trejos, Alberto & Wright, Randall, 1995. "Search, Bargaining, Money, and Prices," Journal of Political Economy, University of Chicago Press, vol. 103(1), pages 118-41, February.
  6. Miguel Molico, 2006. "The Distribution Of Money And Prices In Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 47(3), pages 701-722, 08.
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