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Regulatory Uncertainty and Share Price Volatility: The English and Welsh Water Industry's Periodic Price Review

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  • Morana, Claudio
  • Sawkins, John W

Abstract

This paper models the London stock market's response to the 1994 Periodic Review of prices in the English and Welsh water industry using both GARCH and stochastic volatility models. The results indicate that a significant reduction in the volatility of share prices for eight of the ten water and sewerage companies followed the announcement of revised industry price-caps. Investor expectations adjusted rapidly, reflecting confidence in the credibility and political sustainability of the settlement. Copyright 2000 by Kluwer Academic Publishers

Suggested Citation

  • Morana, Claudio & Sawkins, John W, 2000. "Regulatory Uncertainty and Share Price Volatility: The English and Welsh Water Industry's Periodic Price Review," Journal of Regulatory Economics, Springer, vol. 17(1), pages 87-100, January.
    • Handle: RePEc:kap:regeco:v:17:y:2000:i:1:p:87-100
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    Cited by:

    1. Rajibur Reza & Gurudeo Anand Tularam & Xiyang Li & Bin Li, 2022. "Investments in the Asian water sector: an analysis based on the DCC-GARCH model," Palgrave Communications, Palgrave Macmillan, vol. 9(1), pages 1-9, December.
    2. Stefano Paleari & Renato Redondi, 2005. "Regulation Effects on Company Beta Components," Bulletin of Economic Research, Wiley Blackwell, vol. 57(4), pages 317-346, October.
    3. Haney, Aoife Brophy & Pollitt, Michael G., 2013. "International benchmarking of electricity transmission by regulators: A contrast between theory and practice?," Energy Policy, Elsevier, vol. 62(C), pages 267-281.
    4. David S Saal & David Parker, 2000. "The impact of privatization and regulation on the water and sewerage industry in England and Wales: a translog cost function model," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 21(6), pages 253-268.
    5. Roger Buckland & Julian Williams & Janice Beecher, 2015. "Risk and regulation in water utilities: a cross-country comparison of evidence from the CAPM," Journal of Regulatory Economics, Springer, vol. 47(2), pages 117-145, April.
    6. Huy Nguyen Anh Pham & Vikash Ramiah & Imad Moosa, 2020. "The effects of environmental regulation on the stock market: the French experience," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 60(4), pages 3279-3304, December.
    7. Tobias Kretschmer & Hans-Ulrich Küpper & Burkhard Pedell, 2011. "Bedingungen und Prinzipien einer konsistenten Regulierung," Schmalenbach Journal of Business Research, Springer, vol. 63(64), pages 1-31, January.
    8. Reza, Rajibur & Tularam, Gurudeo Anand & Li, Bin, 2021. "A review of global research on private investment in the water sector," Utilities Policy, Elsevier, vol. 72(C).
    9. Hoang, Trang Cam & Pham, Huy & Ramiah, Vikash & Moosa, Imad & Le, Danh Vinh, 2020. "The effects of information disclosure regulation on stock markets: Evidence from Vietnam," Research in International Business and Finance, Elsevier, vol. 51(C).

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