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The Limitations of Stock Market Efficiency: Price Informativeness and CEO Turnover

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  • Gary B. Gorton
  • Lixin Huang
  • Qiang Kang

Abstract

There is a tenuous link between market efficiency and economic efficiency in that stock prices are more informative when the information has less social value. We investigate this link in the context of CEO turnover. Our theoretical model predicts that, when the board’s monitoring intensity and the informed trader’s information decision are jointly endogenized, stock price informativeness is negatively related to the board’s monitoring effort. Our empirical tests provide supporting evidence for this negative effect. Moreover, using the passage of the Sarbanes–Oxley Act (SOX) as a quasi-natural experiment, we find that SOX, while strengthening corporate governance, has a negative effect on stock price informativeness, especially among firms with complex organizational structures.

Suggested Citation

  • Gary B. Gorton & Lixin Huang & Qiang Kang, 2017. "The Limitations of Stock Market Efficiency: Price Informativeness and CEO Turnover," Review of Finance, European Finance Association, vol. 21(1), pages 153-200.
  • Handle: RePEc:oup:revfin:v:21:y:2017:i:1:p:153-200.
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    Cited by:

    1. Hazarika, Sonali & Karpoff, Jonathan M. & Nahata, Rajarishi, 2012. "Internal corporate governance, CEO turnover, and earnings management," Journal of Financial Economics, Elsevier, vol. 104(1), pages 44-69.
    2. Nguyen, Canh Phuc & Nguyen, Thai Vu Hong & Schinckus, Christophe, 2019. "Institutions, economic openness and stock return co-movements: An empirical investigation in emerging markets," Finance Research Letters, Elsevier, vol. 28(C), pages 137-147.
    3. Antoinette Schoar & Ebonya L. Washington, 2011. "Are the Seeds of Bad Governance Sown in Good Times?," NBER Working Papers 17061, National Bureau of Economic Research, Inc.
    4. Ni, Yensen & Huang, Paoyu & Chen, Yuhsin, 2019. "Board structure, considerable capital, and stock price overreaction informativeness in terms of technical indicators," The North American Journal of Economics and Finance, Elsevier, vol. 48(C), pages 514-528.

    More about this item

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance

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