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Assessing The Integration Of Electricity Markets Using Principal Component Analysis: Network And Market Structure Effects

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  • LEWIS EVANS
  • GRAEME GUTHRIE
  • STEEN VIDEBECK

Abstract

Market power in electricity wholesale spot markets is more likely if there is market segmentation. We show that principal component analysis is a natural tool for the qualitative and quantitative assessment of the presence of local markets. We study whether the New Zealand market has been a national market or a set of local markets since its inception in 1996 and find that increased competition induced some segmentation that was eliminated by transmission enhancement and the introduction of generation downstream from the constrained circuits. Transmission investment policy that ensures one market will contribute to the efficiency of electricity, water, and related other markets. (JEL D4, L1, L4)

Suggested Citation

  • Lewis Evans & Graeme Guthrie & Steen Videbeck, 2008. "Assessing The Integration Of Electricity Markets Using Principal Component Analysis: Network And Market Structure Effects," Contemporary Economic Policy, Western Economic Association International, vol. 26(1), pages 145-161, January.
    • Handle: RePEc:bla:coecpo:v:26:y:2008:i:1:p:145-161
    DOI: 10.1111/j.1465-7287.2007.00054.x
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    References listed on IDEAS

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    Cited by:

    1. Guthrie, Graeme & Videbeck, Steen, 2007. "Electricity spot price dynamics: Beyond financial models," Energy Policy, Elsevier, vol. 35(11), pages 5614-5621, November.
    2. Lewis Evans & Seamus Hogan & Peter Jackson, 2012. "A critique of Wolak's evaluation of the NZ electricity market: Introduction and overview," New Zealand Economic Papers, Taylor & Francis Journals, vol. 46(1), pages 1-10, November.
    3. Godin, Frédéric & Ibrahim, Zinatu, 2021. "An analysis of electricity congestion price patterns in North America," Energy Economics, Elsevier, vol. 102(C).
    4. Evans, Lewis & Guthrie, Graeme & Lu, Andrea, 2013. "The role of storage in a competitive electricity market and the effects of climate change," Energy Economics, Elsevier, vol. 36(C), pages 405-418.
    5. Russell Pittman & Vanessa Yanhua Zhang, 2008. "Electricity Restructuring in China: The Elusive Quest for Competition," EAG Discussions Papers 200805, Department of Justice, Antitrust Division.
    6. John J. García & Catalina G�mez & Santiago Boh�rquez, 2014. "Formación del precio de las transacciones internacionales de electricidad entre Colombia y Ecuador," Revista de Economía del Rosario, Universidad del Rosario.

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    More about this item

    JEL classification:

    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
    • L4 - Industrial Organization - - Antitrust Issues and Policies

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