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The regulation of electricity: results from an event study

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  • A. W. Dnes
  • J. S. Seaton

Abstract

In this paper, event-study methods are used to compare the stock-market returns for the RECs with general stock-market returns to test the hypothesis that the regulatory package shows symptoms of capture by special interest groups over the 1991-95 period. The results show that some capture by the RECs may have occurred as they have earned abnormal market returns. However, regulatory events are heterogeneous in nature and actions taken over prices by the Director General of Electricity Supply (DGES) in 1995 appear to have reduced abnormal returns. As part of the study, we examine the impact on shareholders' returns of the DGES's controversial announcement in March 1995 of plans to tighten price controls on the RECs. The regulatory package appears to work reasonably well on balance.

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  • A. W. Dnes & J. S. Seaton, 1999. "The regulation of electricity: results from an event study," Applied Economics, Taylor & Francis Journals, vol. 31(5), pages 609-618.
    • Handle: RePEc:taf:applec:v:31:y:1999:i:5:p:609-618
    DOI: 10.1080/000368499324057
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    References listed on IDEAS

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    1. John Vickers & George Yarrow, 1988. "Privatization: An Economic Analysis," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262720116, December.
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    Cited by:

    1. Veith, Stefan & Werner, Jörg R. & Zimmermann, Jochen, 2009. "Capital market response to emission rights returns: Evidence from the European power sector," Energy Economics, Elsevier, vol. 31(4), pages 605-613, July.
    2. Fumitoshi Mizutani & Eri Nakamura, 2019. "Regulation, public interest, and private interest: an empirical investigation of firms in Japan," Empirical Economics, Springer, vol. 56(4), pages 1433-1454, April.
    3. Estache, Antonio & Wren-Lewis, Liam, 2010. "What Anti-Corruption Policy Can Learn from Theories of Sector Regulation," CEPR Discussion Papers 8082, C.E.P.R. Discussion Papers.
    4. Knight-John, Malathy & Jayasinghe, Shantha & Perumal, Andrew, 2004. "Regulatory Impact Assessment in Sri Lanka: The Bridges That Have To Be Crossed," Centre on Regulation and Competition (CRC) Working papers 30666, University of Manchester, Institute for Development Policy and Management (IDPM).
    5. Antonio Estache & Liam Wren-Lewis, 2011. "Anti-Corruption Policy in Theories of Sector Regulation," Chapters, in: Susan Rose-Ackerman & Tina Søreide (ed.), International Handbook on the Economics of Corruption, Volume Two, chapter 9, Edward Elgar Publishing.
    6. Liao, Huei-Chu & Lee, Yi-Huey & Suen, Yu-Bo, 2008. "Electronic trading system and returns volatility in the oil futures market," Energy Economics, Elsevier, vol. 30(5), pages 2636-2644, September.
    7. Andrea Goldstein & José Claudio Linhares Pires, 2006. "Brazilian Regulatory Agencies: Early Appraisal and Looming Challenges," Chapters, in: Edmund Amann (ed.), Regulating Development, chapter 6, Edward Elgar Publishing.
    8. Anna Dimitrova, 2021. "Captured Energy Market Operation and Liberalization Efforts," Economic Studies journal, Bulgarian Academy of Sciences - Economic Research Institute, issue 7, pages 19-31.
    9. Aristeidis Samitas & Dimitris Kenourgios & Peter Zounis, 2008. "Athens' Olympic Games 2004 impact on sponsors' stock returns," Applied Financial Economics, Taylor & Francis Journals, vol. 18(19), pages 1569-1580.
    10. Fumitoshi Mizutani & Eri Nakamura, 2016. "Factors Affecting Inefficiency Level: Stochastic Frontier Analysis of Public Utility Firms in Japan," Discussion Papers 2016-02, Kobe University, Graduate School of Business Administration.
    11. Fumitoshi Mizutani & Eri Nakamura, 2013. "Regulation, Competition, Diversification, Governance and Costs: An Empirical Analysis of Public Utility and Manufacturing Firms in Japan," Discussion Papers 2013-25, Kobe University, Graduate School of Business Administration.
    12. Fumitoshi Mizutani & Eri Nakamura, 2014. "What Most Affects A Firm' s Costs: Internal or External Factors, or Both?," Discussion Papers 2014-22, Kobe University, Graduate School of Business Administration.
    13. Lina M. Cortés & John J. García & David Agudelo, 2015. "Effects of Mergers and Acquisitions on Shareholder Wealth: Event Study for Latin American Airlines," Documentos de Trabajo CIEF 12453, Universidad EAFIT.

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