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Ten Years of Misleading Information - Investment Advice in Printed Media


  • Lidén, Erik R.

    () (Department of Economics, School of Business, Economics and Law, Göteborg University)

  • Rosenberg, Markus

    () (Department of Economics, School of Business, Economics and Law, Göteborg University)


This paper analyzes the returns to stock recommendations published in eleven well-known Swedish morning newspapers, tabloids, business newspapers and magazines during the period 1995-2004 prior to, at the time of, and for up to a year after the recommendation was published. The sample size of 5,190 buy recommendations and 851 sell recommendations by far makes it the most comprehensive study of stock recommendations in the printed media to this date. Buy recommendations are found to insignificantly underperforming the risk-replicating portfolio by almost two percentage points for the year after they were published. Buy's of small- firm stocks outperform the risk-replicating portfolio whereas medium- and large-sized firms underperforms. Unique buy recommendations perform better than repeated ones. Sell-recommended stocks underperform stocks with the same riskiness. However, readers could not profit from them because they actually increase in value.

Suggested Citation

  • Lidén, Erik R. & Rosenberg, Markus, 2006. "Ten Years of Misleading Information - Investment Advice in Printed Media," Working Papers in Economics 230, University of Gothenburg, Department of Economics.
  • Handle: RePEc:hhs:gunwpe:0230

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    References listed on IDEAS

    1. Lin, Hsiou-wei & McNichols, Maureen F., 1998. "Underwriting relationships, analysts' earnings forecasts and investment recommendations," Journal of Accounting and Economics, Elsevier, pages 101-127.
    2. Alexander Ljungqvist & Felicia Marston & William J. Wilhelm, 2006. "Competing for Securities Underwriting Mandates: Banking Relationships and Analyst Recommendations," Journal of Finance, American Finance Association, vol. 61(1), pages 301-340, February.
    3. Erik Liden, 2006. "Stock Recommendations in Swedish Printed Media: Leading or Misleading?," The European Journal of Finance, Taylor & Francis Journals, pages 731-748.
    4. Barber, Brad M. & Lyon, John D., 1997. "Detecting long-run abnormal stock returns: The empirical power and specification of test statistics," Journal of Financial Economics, Elsevier, vol. 43(3), pages 341-372, March.
    5. Liang, Bing, 1999. "Price Pressure: Evidence from the "Dartboard" Column," The Journal of Business, University of Chicago Press, vol. 72(1), pages 119-134, January.
    6. Michaely, Roni & Womack, Kent L, 1999. "Conflict of Interest and the Credibility of Underwriter Analyst Recommendations," Review of Financial Studies, Society for Financial Studies, pages 653-686.
    7. John D. Lyon & Brad M. Barber & Chih-Ling Tsai, 1999. "Improved Methods for Tests of Long-Run Abnormal Stock Returns," Journal of Finance, American Finance Association, vol. 54(1), pages 165-201, February.
    8. Harrison Hong & Jeffrey D. Kubik, 2003. "Analyzing the Analysts: Career Concerns and Biased Earnings Forecasts," Journal of Finance, American Finance Association, vol. 58(1), pages 313-351, February.
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    More about this item


    Stock recommendations; effcient market hypothesis; printed media; initiations; information asymmetry;

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G20 - Financial Economics - - Financial Institutions and Services - - - General

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