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Changes in the Information Efficiency of Stock Prices: Additional Evidence

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  • Richard A. DeFusco
  • Suchi Mishra
  • K. Raghunandan

Abstract

Previous research shows, using data from three quarters after the implementation of regulation fair disclosure (Reg FD), that there is an improvement in the informational efficiency of stock prices after Reg FD. We compare the informational efficiency of stock prices in four pre‐Reg FD quarters (1999–2000) and 12 post‐Reg FD quarters (2002–2005). The improvement in the informational efficiency of stock prices previously reported in the immediate aftermath of Reg FD persists in later periods.

Suggested Citation

  • Richard A. DeFusco & Suchi Mishra & K. Raghunandan, 2010. "Changes in the Information Efficiency of Stock Prices: Additional Evidence," The Financial Review, Eastern Finance Association, vol. 45(1), pages 153-165, February.
    • Handle: RePEc:bla:finrev:v:45:y:2010:i:1:p:153-165
    DOI: 10.1111/j.1540-6288.2009.00241.x
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    Cited by:

    1. Grégoire, Philippe & Huang, Hui, 2012. "Information disclosure with leakages," Economic Modelling, Elsevier, vol. 29(5), pages 2005-2010.
    2. Winnie P. H. Poon & Dorla A. Evans, 2013. "Regulation Fair Disclosure's Effect on the Information Content of Bond Rating Changes," European Financial Management, European Financial Management Association, vol. 19(4), pages 775-800, September.
    3. Mustafa Onur Caglayan & Umut Celiker & Edward R. Lawrence, 2021. "Sell‐side analyst recommendation revisions and hedge fund trading before and after regulation fair disclosure," The Financial Review, Eastern Finance Association, vol. 56(3), pages 563-590, August.
    4. Brandon C. L. Morris & Jared F. Egginton & Kathleen P. Fuller, 2019. "Return and liquidity response to fraud and sec investigations," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 43(2), pages 313-329, April.
    5. Lo, May H. & Xu, Le (Emily), 2013. "Regulation FD and analysts’ vs. investors’ weightings of the cash components of earnings," Research in Accounting Regulation, Elsevier, vol. 25(2), pages 169-184.
    6. Martina Vitézová, 2011. "Market Perception of SOX Act in the Case of US Listed Banks," European Research Studies Journal, European Research Studies Journal, vol. 0(4), pages 155-170.
    7. Stéphane Goutte & David Guerreiro & Bilel Sanhaji & Sophie Saglio & Julien Chevallier, 2019. "International Financial Markets," Post-Print halshs-02183053, HAL.

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