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Rational Limits to Arbitrage

Listed author(s):
  • Jean-Pierre Zigrand

    ()

It is often argued that asset prices exhibit patterns incompatible with the behaviour of rational, optimizing agents. This paper proposes a rational framework which generates asset prices which appear irrational. This is accomplished by studying rational expectations equilibria in the presence of two realistic market frictions: immediacy risk (agents have to submit their demand functions before they know the equilibrium price) and asset-specific orders (investors have to submit one seperate demand for each asset, which may not be contingent upon the prices of the other assets). We study some of the properties of such equilibria, in particular the prevalence of arbitrage and of informational inefficiencies.

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File URL: http://www.lse.ac.uk/fmg/workingPapers/discussionPapers/fmg_pdfs/dp392.pdf
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Paper provided by Financial Markets Group in its series FMG Discussion Papers with number dp392.

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Date of creation: Oct 2001
Handle: RePEc:fmg:fmgdps:dp392
Contact details of provider: Web page: http://www.lse.ac.uk/fmg/

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  1. Radner, Roy, 1979. "Rational Expectations Equilibrium: Generic Existence and the Information Revealed by Prices," Econometrica, Econometric Society, vol. 47(3), pages 655-678, May.
  2. 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.
  3. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-1277, November.
  4. Allen, Beth, 1985. "The existence of rational expectations equilibria in a large economy with noisy price observations," Journal of Mathematical Economics, Elsevier, vol. 14(1), pages 67-103, February.
  5. HEIFETZ, Aviad & POLEMARCHAKIS, Heracles M., "undated". "Partial revelation with rational expectations," CORE Discussion Papers RP 1324, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  6. James Dow & Gary Gorton, 1993. "Arbitrage Chains," CEPR Financial Markets Paper 0035, European Science Foundation Network in Financial Markets, c/o C.E.P.R, 77 Bastwick Street, London EC1V 3PZ..
  7. Ausubel, Lawrence M., 1990. "Partially-revealing rational expectations equilibrium in a competitive economy," Journal of Economic Theory, Elsevier, vol. 50(1), pages 93-126, February.
  8. Jordan, James S. & Radner, Roy, 1982. "Rational expectations in microeconomic models: An overview," Journal of Economic Theory, Elsevier, vol. 26(2), pages 201-223, April.
  9. Allen, Beth E, 1981. "Generic Existence of Completely Revealing Equilibria for Economies with Uncertainty when Prices Convey Information," Econometrica, Econometric Society, vol. 49(5), pages 1173-1199, September.
  10. Sanford J. Grossman, 1977. "The Existence of Futures Markets, Noisy Rational Expectations and Informational Externalities," Review of Economic Studies, Oxford University Press, vol. 44(3), pages 431-449.
  11. Craig W. Holden, 1995. "Index arbitrage as cross‐sectional market making," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 15(4), pages 423-455, 06.
  12. Kreps, David M., 1977. "A note on "fulfilled expectations" equilibria," Journal of Economic Theory, Elsevier, vol. 14(1), pages 32-43, February.
  13. Albert S. Kyle, 1989. "Informed Speculation with Imperfect Competition," Review of Economic Studies, Oxford University Press, vol. 56(3), pages 317-355.
  14. Allen, Beth, 1985. "The existence of fully rational expectations approximate equilibria with noisy price observations," Journal of Economic Theory, Elsevier, vol. 37(2), pages 213-253, December.
  15. Jean-Pierre Zigrand, 1999. "Arbitrage and Endogenous Market Integration," FMG Discussion Papers dp319, Financial Markets Group.
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