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Optimal exchange-rates: a market-microstructure approach

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Author Info
Alexander Gümbel ()
Oren Sussman ()
Abstract

We analyze exchange-rate management by the central bank when it makes the FX market for the sake of social-welfare objectives. It is assumed that markets are incomplete, so that agents are exposed to exchange-rate volatility against which they cannot fully hedge. It follows that the central bank may provide insurance by smoothing the exchange rate. However, smoothing the exchange rate also creates arbitrage opportunities for spec-ulators. We show that the central bank cannot smooth the exchange rate and deter speculation at the same time. A Tobin tax may provide a way out.

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Paper provided by Oxford Financial Research Centre in its series OFRC Working Papers Series with number 2001fe13.

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Date of creation: 2001
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Handle: RePEc:sbs:wpsefe:2001fe13

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. James Tobin, 1978. "A Proposal for International Monetary Reform," Eastern Economic Journal, Eastern Economic Association, vol. 4(3-4), pages 153-159, Jul/Oct. [Downloadable!]
    Other versions:
  2. Sudipto Bhattacharya, 2001. "Insider Trading, Investment, and Liquidity: A Welfare Analysis," Journal of Finance, American Finance Association, vol. 56(3), pages 1141-1156, 06. [Downloadable!] (restricted)
    Other versions:
  3. Hirshleifer, Jack, 1971. "The Private and Social Value of Information and the Reward to Inventive Activity," American Economic Review, American Economic Association, vol. 61(4), pages 561-74, September. [Downloadable!] (restricted)
  4. Takatosh Ito & Richard K. Lyons & Michael T. Melvin, 1997. "Is there private information in the FX market? the Tokyo experiment," Pacific Basin Working Paper Series 97-04, Federal Reserve Bank of San Francisco. [Downloadable!]
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  5. Michael B. Devereux & Charles Engel, 1998. "Fixed vs. Floating Exchange Rates: How Price Setting Affects the Optimal Choice of Exchange-Rate Regime," NBER Working Papers 6867, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  6. Morris, S & Song Shin, H, 1996. "Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks," Economics Papers 126, Economics Group, Nuffield College, University of Oxford.
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  7. Richard C. Marston, 1985. "Stabilization Policies in Open Economies," NBER Working Papers 1117, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  8. Lucas, Robert E, Jr, 1973. "Some International Evidence on Output-Inflation Tradeoffs," American Economic Review, American Economic Association, vol. 63(3), pages 326-34, June.
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  10. Naranjo, Andy & Nimalendran, M, 2000. "Government Intervention and Adverse Selection Costs in Foreign Exchange Markets," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 13(2), pages 453-77.
  11. Richard K. Lyons, 2006. "The Microstructure Approach to Exchange Rates," MIT Press Books, The MIT Press, edition 1, volume 1, number 026262205x, December.
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  13. Helpman, Elhanan & Razin, Assaf, 1982. "A Comparison of Exchange Rate Regimes in the Presence of Imperfect Capital Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 23(2), pages 365-88, June. [Downloadable!] (restricted)
  14. Marston, Richard C., 1985. "Stabilization policies in open economies," Handbook of International Economics, in: R. W. Jones & P. B. Kenen (ed.), Handbook of International Economics, edition 1, volume 2, chapter 17, pages 859-916 Elsevier. [Downloadable!] (restricted)
  15. Cheung, Yin-Wong & Wong, Clement Yuk-Pang, 2000. "A survey of market practitioners' views on exchange rate dynamics," Journal of International Economics, Elsevier, vol. 51(2), pages 401-419, August. [Downloadable!] (restricted)
  16. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November. [Downloadable!] (restricted)
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  18. Krugman, Paul, 1979. "A Model of Balance-of-Payments Crises," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 11(3), pages 311-25, August. [Downloadable!] (restricted)
  19. Neumeyer, Pablo Andres, 1998. "Currencies and the Allocation of Risk: The Welfare Effects of a Monetary Union," American Economic Review, American Economic Association, vol. 88(1), pages 246-59, March. [Downloadable!] (restricted)
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  20. Guillermo A. Calvo & Carmen M. Reinhart, 2000. "Fear of Floating," NBER Working Papers 7993, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  21. Dow, James & Rahi, Rohit, 2000. "Should Speculators Be Taxed?," Journal of Business, University of Chicago Press, vol. 73(1), pages 89-107, January. [Downloadable!] (restricted)
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  22. Weiss, Laurence M, 1980. "The Role for Active Monetary Policy in a Rational Expectations Model," Journal of Political Economy, University of Chicago Press, vol. 88(2), pages 221-33, April. [Downloadable!] (restricted)
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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Markus Haberer, 2003. "Some Criticism of the Tobin Tax," CoFE Discussion Paper 03-01, Center of Finance and Econometrics, University of Konstanz. [Downloadable!]
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