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Survey Evidence on Diffusion of Interest Among Institutional Investors




Contagion or epidemic models of financial markets are proposed in which interest in or attention to individual stocks is spread by word of mouth. The models give alternative interpretations of the random walk character of stock prices. A questionnaire survey of institutional investors was undertaken to ascertain the relevance of such models. Questions elicited what fraction of these investors were unsystematic and allowed themselves to be influenced by word-of-mouth communications or other salient stimuli. Rough indications of the infection rate and removal rate were produced. Investors in stocks whose price had recently increased dramatically to a high P/E ratio were contrasted with a control group of investors.

Suggested Citation

  • Robert J. Shiller & John Pound, 1986. "Survey Evidence on Diffusion of Interest Among Institutional Investors," Cowles Foundation Discussion Papers 794, Cowles Foundation for Research in Economics, Yale University.
  • Handle: RePEc:cwl:cwldpp:794

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    References listed on IDEAS

    1. De Bondt, Werner F M & Thaler, Richard, 1985. " Does the Stock Market Overreact?," Journal of Finance, American Finance Association, vol. 40(3), pages 793-805, July.
    2. Richard P. Bagozzi & Alvin J. Silk, 1983. "Recall, Recognition, and the Measurement of Memory for Print Advertisements," Marketing Science, INFORMS, vol. 2(2), pages 95-134.
    3. Reinganum, Marc R., 1981. "Misspecification of capital asset pricing : Empirical anomalies based on earnings' yields and market values," Journal of Financial Economics, Elsevier, vol. 9(1), pages 19-46, March.
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    Blog mentions

    As found by, the blog aggregator for Economics research:
    1. Robert Shiller Uses Epidemic Models To Understand Bubbles !!
      by Miguel in Simoleon Sense on 2010-09-04 21:36:26


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    Cited by:

    1. Calvo, Guillermo A. & Mendoza, Enrique G., 2000. "Rational contagion and the globalization of securities markets," Journal of International Economics, Elsevier, vol. 51(1), pages 79-113, June.
    2. Robert J. Shiller, 2001. "Bubbles, Human Judgment, and Expert Opinion," Cowles Foundation Discussion Papers 1303, Cowles Foundation for Research in Economics, Yale University.


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