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Noise Trading, Delegated Portfolio Management, and Economic Welfare

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Author Info
Dow, James
Gorton, Gary

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Abstract

The authors consider a model of the stock market with delegated portfolio management. Portfolio managers try, but sometimes fail, to discover profitable trading opportunities. Although it is best not to trade in this case, their clients cannot distinguish 'actively doing nothing,' in this sense, from 'simply doing nothing.' The authors show that some portfolio managers trade even though they have no reason to prefer one asset to another (noise trade); the amount of such noise trade can be large compared to the amount of hedging volume; and, perhaps surprisingly, noise trade may be Pareto improving. Copyright 1997 by the University of Chicago.

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Publisher Info
Article provided by University of Chicago Press in its journal Journal of Political Economy.

Volume (Year): 105 (1997)
Issue (Month): 5 (October)
Pages: 1024-50
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Handle: RePEc:ucp:jpolec:v:105:y:1997:i:5:p:1024-50

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References listed on IDEAS
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. Grossman, Sanford J & Stiglitz, Joseph E, 1976. "Information and Competitive Price Systems," American Economic Review, American Economic Association, vol. 66(2), pages 246-53, May.
  2. 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:
  3. 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. [Downloadable!] (restricted)
  4. Bhattacharya, Sudipto & Pfleiderer, Paul, 1985. "Delegated portfolio management," Journal of Economic Theory, Elsevier, vol. 36(1), pages 1-25, June. [Downloadable!] (restricted)
  5. De Long, J Bradford & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1990. "Noise Trader Risk in Financial Markets," Journal of Political Economy, University of Chicago Press, vol. 98(4), pages 703-38, August. [Downloadable!] (restricted)
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  6. Trueman, Brett, 1988. " A Theory of Noise Trading in Securities Markets," Journal of Finance, American Finance Association, vol. 43(1), pages 83-95, March. [Downloadable!] (restricted)
  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. [Downloadable!] (restricted)
  8. Allen, Franklin, 1990. "The market for information and the origin of financial intermediation," Journal of Financial Intermediation, Elsevier, vol. 1(1), pages 3-30, March. [Downloadable!] (restricted)
  9. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November. [Downloadable!] (restricted)
  10. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
  11. Pagano, Marco, 1989. "Endogenous Market Thinness and Stock Price Volatility," Review of Economic Studies, Blackwell Publishing, vol. 56(2), pages 269-87, April. [Downloadable!] (restricted)
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  12. Allen, Franklin & Gorton, Gary, 1993. "Churning Bubbles," Review of Economic Studies, Blackwell Publishing, vol. 60(4), pages 813-36, October. [Downloadable!] (restricted)
  13. Dow, James & Gorton, Gary, 1994. " Arbitrage Chains," Journal of Finance, American Finance Association, vol. 49(3), pages 819-49, July. [Downloadable!] (restricted)
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  14. Ausubel, Lawrence M, 1990. "Insider Trading in a Rational Expectations Economy," American Economic Review, American Economic Association, vol. 80(5), pages 1022-41, December. [Downloadable!] (restricted)
  15. Dow James & Gorton Gary, 1995. "Profitable Informed Trading in a Simple General Equilibrium Model of Asset Pricing," Journal of Economic Theory, Elsevier, vol. 67(2), pages 327-369, December. [Downloadable!] (restricted)
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