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When Are Analyst Recommendation Changes Influential?

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  • Roger K. Loh
  • René M. Stulz

Abstract

The existing literature measures the contribution of analyst recommendation changes using average stock-price reactions. With such an approach, recommendation changes can have a significant impact even if no recommendation has a visible stock-price impact. Instead, we call a recommendation change influential only if it affects the stock price of the affected firm visibly. We show that only 12% of recommendation changes are influential. Recommendation changes are more likely to be influential if they are from leader, star, previously influential analysts, issued away from consensus, accompanied by earnings forecasts, and issued on growth, small, high institutional ownership, or high forecast dispersion firms. The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org., Oxford University Press.

Suggested Citation

  • Roger K. Loh & René M. Stulz, 2011. "When Are Analyst Recommendation Changes Influential?," The Review of Financial Studies, Society for Financial Studies, vol. 24(2), pages 593-627.
    • Handle: RePEc:oup:rfinst:v:24:y:2011:i:2:p:593-627
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    File URL: http://hdl.handle.net/10.1093/rfs/hhq094
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    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage

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