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Private Beliefs and Information Externalities in the Foreign Exchange Market

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Author Info

  • Lyons, R.K.

Abstract

An information externality exists in the foreign exchange market due to the fact that traders play two partially conflicting roles: (i) each is a speculator and (ii) each is an information clearinghouse in that each intermediates own-customer orders which convey information. Profit maximization induces traders to underweight fundamental information in making their trades, reducing the degree to which prices reveal information at any given time. In the model, agents update diverse beliefs over time, with transactions-mediated tatonnement. The explicit role for transactions provides a framework for interpreting the relationship between the diversity of beliefs, trading volume, and price adjustment.

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Bibliographic Info

Paper provided by Columbia - Graduate School of Business in its series Papers with number 91-17.

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Length: 114 pages
Date of creation: 1991
Date of revision:
Handle: RePEc:fth:colubu:91-17

Contact details of provider:
Postal: U.S.A.; COLUMBIA UNIVERSITY, GRADUATE SCHOOL OF BUSINESS, PAINE WEBBER , New York, NY 10027 U.S.A
Phone: (212) 854-5553
Web page: http://www.columbia.edu/cu/business/
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Related research

Keywords: trade ; profit ; prices ; economic models;

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References

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  1. Paul Milgrom & Nancy L.Stokey, 1979. "Information, Trade, and Common Knowledge," Discussion Papers 377R, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  2. Jeffrey Frankel and Kenneth Froot., 1991. "Exchange Rate Forecasting Techniques, Survey Data, and Implications for the Foreign Exchange Market," Economics Working Papers 91-158, University of California at Berkeley.
  3. Goodhart, Charles, 1988. "The Foreign Exchange Market: A Random Walk with a Dragging Anchor," Economica, London School of Economics and Political Science, vol. 55(220), pages 437-60, November.
  4. Stein, Jeremy C., 1987. "Informational Externalities and Welfare-Reducing Speculation," Scholarly Articles 3660740, Harvard University Department of Economics.
  5. Hal R. Varian, 1986. "Differences of opinion in financial markets," Proceedings, Federal Reserve Bank of St. Louis, pages 3-40.
  6. Lawrence R. Glosten & Paul R. Milgrom, 1983. "Bid, Ask and Transaction Prices in a Specialist Market with Heterogeneously Informed Traders," Discussion Papers 570, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  7. Hellwig, Martin F., 1980. "On the aggregation of information in competitive markets," Journal of Economic Theory, Elsevier, vol. 22(3), pages 477-498, June.
  8. Tirole, Jean, 1982. "On the Possibility of Speculation under Rational Expectations," Econometrica, Econometric Society, vol. 50(5), pages 1163-81, September.
  9. Karpoff, Jonathan M, 1986. " A Theory of Trading Volume," Journal of Finance, American Finance Association, vol. 41(5), pages 1069-87, December.
  10. 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.
  11. Grammatikos, Theoharry & Saunders, Anthony, 1986. "Futures Price Variability: A Test of Maturity and Volume Effects," The Journal of Business, University of Chicago Press, vol. 59(2), pages 319-30, April.
  12. Jaffe, Jeffrey F & Winkler, Robert L, 1976. "Optimal Speculation against an Efficient Market," Journal of Finance, American Finance Association, vol. 31(1), pages 49-61, March.
  13. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November.
  14. Diamond, Douglas W. & Verrecchia, Robert E., 1981. "Information aggregation in a noisy rational expectations economy," Journal of Financial Economics, Elsevier, vol. 9(3), pages 221-235, September.
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Citations

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Cited by:
  1. Ulibarri, Carlos A. & Anselmo, Peter & Hovsepian, Karen & Florescu, Ionut & Tolk, Jacob, 2008. "'Noise trader risk' and Bayesian market making in FX derivatives: rolling loaded dice?," MPRA Paper 14814, University Library of Munich, Germany.
  2. BAUWENS, Luc & BEN OMRANE, Walid & GIOT, Pierre, 2003. "News announcements, market activity and volatility in the Euro/Dollar foreign exchange market," CORE Discussion Papers 2003029, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Hernando Vargas & Rocío Betnacourt, . "Pension Fund Managers Behavior In The Foreign Exchange Market," Borradores de Economia 391, Banco de la Republica de Colombia.
  4. Bronka Rzepkowski, 2001. "Heterogeneous Expectations, Currency Options and the Euro / Dollar Exchange Rate," Working Papers 2001-03, CEPII research center.
  5. Osler, C. L., 1995. "Exchange rate dynamics and speculator horizons," Journal of International Money and Finance, Elsevier, vol. 14(5), pages 695-719, October.
  6. Dick van Dijk & Haris Munandar & Christian M. Hafner, 2005. "The Euro Introduction and Non-Euro Currencies," Tinbergen Institute Discussion Papers 05-044/4, Tinbergen Institute, revised 08 Jun 2006.
  7. Chionis, Dionysios & MacDonald, Ronald, 1997. "Some tests of market microstructure hypotheses in the foreign exchange market," Journal of Multinational Financial Management, Elsevier, vol. 7(3), pages 203-229, October.
  8. Benassy-Quere, Agnes & Larribeau, Sophie & MacDonald, Ronald, 2003. "Models of exchange rate expectations: how much heterogeneity?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 13(2), pages 113-136, April.
  9. Hernando Vargas H. & Rocío Betancourt, 2006. "Pension Fund Managers Behavior In The Foreign Exchange Market," BORRADORES DE ECONOMIA 003317, BANCO DE LA REPÚBLICA.
  10. Charles Goodhart & Takatoshi Ito & Richard Payne, 1995. "One Day in June, 1994: A Study of the Working of Reuters 2000-2 Electronic Foreign Exchange Trading System," NBER Technical Working Papers 0179, National Bureau of Economic Research, Inc.
  11. Poskitt, Russell, 2005. "Bid/ask spreads in the foreign exchange market: An alternative interpretation," Pacific-Basin Finance Journal, Elsevier, vol. 13(5), pages 562-583, November.

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