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Information Quality and Market Efficiency

Author

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  • Ho, Thomas S. Y.
  • Michaely, Roni

Abstract

The purpose of this paper is to analyze the optimal individual behavior in acquiring information and to determine the amount of information incorporated in a stock at equilibrium, in the presence of a cost schedule in acquiring information. Our paper shows that at equilibrium the cost to acquire information that is not already incorporated in the price depends only on the representative investor's risk preferences. It follows that the marginal information costs are the same across all stocks at equilibrium even though the stock's information costs schedules may differ. This suggests that the prices of small stocks may not incorporate all publicly available information. This paper also provides empirical evidence that newspapers' publication of publicly available information can affect the stock prices.

Suggested Citation

  • Ho, Thomas S. Y. & Michaely, Roni, 1988. "Information Quality and Market Efficiency," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 23(01), pages 53-70, March.
  • Handle: RePEc:cup:jfinqa:v:23:y:1988:i:01:p:53-70_01
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    Cited by:

    1. Riccardo Ferretti & Francesco Pattarin, 2008. "Is public information really public? The role of newspapers," Centro Studi di Banca e Finanza (CEFIN) (Center for Studies in Banking and Finance) 08013, Universita di Modena e Reggio Emilia, Dipartimento di Economia "Marco Biagi".
    2. Hirshleifer, David & Lim, Seongyeon & Teoh, Siew Hong, 2004. "Disclosure to an Audience with Limited Attention," Working Paper Series 2004-21, Ohio State University, Charles A. Dice Center for Research in Financial Economics.
    3. repec:bec:imsber:v:9:y:2017:i:4:p:213-232 is not listed on IDEAS
    4. Hirshleifer, David & Subrahmanyam, Avanidhar & Titman, Sheridan, 2006. "Feedback and the success of irrational investors," Journal of Financial Economics, Elsevier, vol. 81(2), pages 311-338, August.
    5. David Hirshleifer & Tyler Shumway, 2003. "Good Day Sunshine: Stock Returns and the Weather," Journal of Finance, American Finance Association, vol. 58(3), pages 1009-1032, June.
    6. Kohers, Theodor & Pandey, Vivek & Kohers, Gerald, 1997. "Using nonlinear dynamics to test for market efficiency among the major U.S. stock exchanges," The Quarterly Review of Economics and Finance, Elsevier, vol. 37(2), pages 523-545.
    7. Theurl, Theresia & Schaetzle, Dominik, 2011. "Ratingagenturen in der Kritik: Eine Analyse der Reformforderungen und -vorschläge," Arbeitspapiere 116, University of Münster, Institute for Cooperatives.
    8. Daxue Wang, 2006. "Cross-Autocorrelation of Dual-Listed Stock Portfolio Returns: Evidence from the Chinese Stock Market," Computing in Economics and Finance 2006 182, Society for Computational Economics.
    9. Terry Richardson & David Peterson, 1997. "Causes of cross-autocorrelation in security returns: Transaction costs versus information quality," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 21(3), pages 29-39, September.
    10. Brennan, Michael J & Thakor, Anjan V, 1990. " Shareholder Preferences and Dividend Policy," Journal of Finance, American Finance Association, vol. 45(4), pages 993-1018, September.
    11. Hirshleifer, David & Kewei Hou & Teoh, Siew Hong & Yinglei Zhang, 2004. "Do investors overvalue firms with bloated balance sheets?," Journal of Accounting and Economics, Elsevier, vol. 38(1), pages 297-331, December.
    12. Hirshleifer, David & Teoh, Siew Hong, 2003. "Limited attention, information disclosure, and financial reporting," Journal of Accounting and Economics, Elsevier, vol. 36(1-3), pages 337-386, December.
    13. Schaetzle, Dominik, 2011. "Ökonomische Funktionen von Ratingagenturen: Ratingagenturen in der neoinstitutionalistischen Finanzierungstheorie," Arbeitspapiere 113, University of Münster, Institute for Cooperatives.
    14. repec:wsi:qjfxxx:v:04:y:2014:i:04:n:s2010139214500189 is not listed on IDEAS
    15. William H. Branson & Dwight M. Jaffee, 1990. "The Globalization of Information and Capital Mobility," NBER Working Papers 3496, National Bureau of Economic Research, Inc.
    16. Patrick J. Kelly, 2014. "Information Efficiency and Firm-Specific Return Variation," Quarterly Journal of Finance (QJF), World Scientific Publishing Co. Pte. Ltd., vol. 4(04), pages 1-44.
    17. David Hirshleifer & Sonya S. Lim & Siew Hong Teoh, 2011. "Limited Investor Attention and Stock Market Misreactions to Accounting Information," Review of Asset Pricing Studies, Oxford University Press, vol. 1(1), pages 35-73.
    18. repec:eee:jfinec:v:126:y:2017:i:1:p:97-121 is not listed on IDEAS
    19. Daniel, Kent & Hirshleifer, David & Teoh, Siew Hong, 2002. "Investor psychology in capital markets: evidence and policy implications," Journal of Monetary Economics, Elsevier, vol. 49(1), pages 139-209, January.
    20. Laivi Laidroo, 2008. "Measuring Public Announcementsí Disclosure Quality on Tallinn, Riga and Vilnius Stock Exchanges," Working Papers 181, Tallinn School of Economics and Business Administration, Tallinn University of Technology.
    21. Bernhardt, Dan & Mahani, Reza S., 2007. "Asymmetric information and stock return cross-autocorrelations," Economics Letters, Elsevier, vol. 96(1), pages 14-22, July.
    22. Hirshleifer, David & Lim, Sonya S. & Teoh, Siew Hong, 2004. "Disclosure to a Credulous Audience: The Role of Limited Attention," MPRA Paper 5198, University Library of Munich, Germany.
    23. Schaetzle, Dominik, 2011. "Ratingagenturen in der neoklassischen Finanzierungstheorie: Eine Auswertung empirischer Studien zum Informationsgehalt von Ratings," Arbeitspapiere 110, University of Münster, Institute for Cooperatives.

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