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Deregulation, news releases, and price discovery

Author

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  • Manfen Chen

    ()

  • Rohan Christie-David

    ()

  • William Moore

    ()

Abstract

We hypothesize that the firm’s regulatory environment influences the sensitivity of its equity value to information. Using intraday stock price data of utilities operating in differing regulatory environments we test for systematic differences between the responsiveness of stock prices of utility firms operating in deregulated and regulated environments to a common information set. Our findings reveal sharp differences in responses, with those of utilities operating in deregulated environments the strongest, and the responses of utilities in highly regulated environments the weakest. While the evidence supports our hypothesis, in a broader sense, the evidence suggests that deregulation aids in the process of price discovery. We also find evidence that suggests that deregulation, per se, does not lead to higher stock price volatility. Copyright Springer Science+Business Media, LLC 2007

Suggested Citation

  • Manfen Chen & Rohan Christie-David & William Moore, 2007. "Deregulation, news releases, and price discovery," Journal of Regulatory Economics, Springer, vol. 31(3), pages 289-312, June.
  • Handle: RePEc:kap:regeco:v:31:y:2007:i:3:p:289-312
    DOI: 10.1007/s11149-006-9017-5
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    References listed on IDEAS

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    1. Hausman, Jerry A. & Lo, Andrew W. & MacKinlay, A. Craig, 1992. "An ordered probit analysis of transaction stock prices," Journal of Financial Economics, Elsevier, vol. 31(3), pages 319-379, June.
    2. Pearce, Douglas K & Roley, V Vance, 1985. "Stock Prices and Economic News," The Journal of Business, University of Chicago Press, vol. 58(1), pages 49-67, January.
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    4. Ederington, Louis H & Lee, Jae Ha, 1993. " How Markets Process Information: News Releases and Volatility," Journal of Finance, American Finance Association, vol. 48(4), pages 1161-1191, September.
    5. M. T. Barlow, 2002. "A Diffusion Model For Electricity Prices," Mathematical Finance, Wiley Blackwell, vol. 12(4), pages 287-298.
    6. Glosten, Lawrence R & Jagannathan, Ravi & Runkle, David E, 1993. " On the Relation between the Expected Value and the Volatility of the Nominal Excess Return on Stocks," Journal of Finance, American Finance Association, vol. 48(5), pages 1779-1801, December.
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    8. Ederington, Louis H. & Lee, Jae Ha, 1995. "The Short-Run Dynamics of the Price Adjustment to New Information," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 30(01), pages 117-134, March.
    9. Delmas, Magali & Tokat, Yesim, 2003. "Deregulation Process, Governance Structures and Efficiency: The U.S. Electric Utility Sector," Research Papers 1790, Stanford University, Graduate School of Business.
    10. Kahn, Alfred E, 1988. "Surprises of Airline Deregulation," American Economic Review, American Economic Association, vol. 78(2), pages 316-322, May.
    11. Amoako-Adu, Ben & Smith, Brian F., 1995. "The wealth effects of deregulation of Canadian financial institutions," Journal of Banking & Finance, Elsevier, vol. 19(7), pages 1211-1236, October.
    12. Almeida, Alvaro & Goodhart, Charles & Payne, Richard, 1998. "The Effects of Macroeconomic News on High Frequency Exchange Rate Behavior," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 33(03), pages 383-408, September.
    13. Kareken, John H, 1983. "The First Step in Bank Deregulation: What about the FDIC?," American Economic Review, American Economic Association, vol. 73(2), pages 198-203, May.
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    More about this item

    Keywords

    Regulatory environment; Price discovery; Utility industry; Macroeconomic news; G14; G18; L51; L94;

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities

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