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Informational Efficiency and Interchange Transactions in Alberta's Electricity Market


  • Apostolos Serletis
  • Mattia Bianchi


This paper aims to investigate the informational efficiency of the Alberta electricity market and also the issue of whether interchange transactions (power flows between markets) are becoming increasingly significant factors in electric power markets. In doing so, we use hourly data for all hours, peak hours, and off-peak hours over the period from January 1st, 1999 to July 31st, 2005. In testing the efficiency of the Alberta power market, we use a statistical physics approach Ð namely the Ôdetrending moving average (DMA)Õ technique, introduced by Alessio et al. (2002) and further developed by Carbone et al. (2004a, 2004b), and recently applied to energy futures markets by Serletis and Rosenberg (2007). In analyzing the relationship between power imports and exports and pool prices, we assess whether regulatory changes have modified the causal relationship between import/export volumes and the pool price. According to our results, the electricity market in Alberta is highly inefficient and cross-border trade of electricity between Alberta and neighbouring jurisdictions helps predict the price dynamics in AlbertaÕs electricity market.

Suggested Citation

  • Apostolos Serletis & Mattia Bianchi, 2007. "Informational Efficiency and Interchange Transactions in Alberta's Electricity Market," The Energy Journal, International Association for Energy Economics, vol. 0(Number 3), pages 121-144.
  • Handle: RePEc:aen:journl:2007v28-03-a07

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    References listed on IDEAS

    1. Severin Borenstein & Stephen Holland, 2005. "On the Efficiency of Competitive Electricity Markets with Time-Invariant Retail Prices," RAND Journal of Economics, The RAND Corporation, vol. 36(3), pages 469-493, Autumn.
    2. Gregory W. Brown & Klaus Bjerre Toft, 2002. "How Firms Should Hedge," Review of Financial Studies, Society for Financial Studies, vol. 15(4), pages 1283-1324.
    3. Ronald I. McKinnon, 1967. "Futures Markets, Buffer Stocks, and Income Stability for Primary Producers," Journal of Political Economy, University of Chicago Press, vol. 75, pages 844-844.
    4. Christopher Knittel & Catherine Wolfram & James Bushnell & Severin Borenstein, 2006. "Inefficiencies and Market Power in Financial Arbitrage: A Study of California?s Electricity Markets," Working Papers 630, University of California, Davis, Department of Economics.
    5. Severin Borenstein, 2007. "Wealth Transfers Among Large Customers from Implementing Real-Time Retail Electricity Pricing," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2), pages 131-150.
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    Cited by:

    1. Uritskaya, Olga Y. & Serletis, Apostolos, 2008. "Quantifying multiscale inefficiency in electricity markets," Energy Economics, Elsevier, vol. 30(6), pages 3109-3117, November.
    2. Alvarez-Ramirez, Jose & Escarela-Perez, Rafael, 2010. "Time-dependent correlations in electricity markets," Energy Economics, Elsevier, vol. 32(2), pages 269-277, March.
    3. Olga Y. Uritskaya & Vadim M. Uritsky, 2015. "Predictability of price movements in deregulated electricity markets," Papers 1505.08117,

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    JEL classification:

    • F0 - International Economics - - General


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