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Time-zero efficiency of European power derivatives markets

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  • Peña, Juan Ignacio
  • Rodriguez, Rosa

Abstract

We study time-zero efficiency of electricity derivatives markets. By time-zero efficiency is meant a sequence of prices of derivatives contracts having the same underlying asset but different times to maturity which implies that prices comply with a set of efficiency conditions that prevent profitable time-zero arbitrage opportunities. We investigate whether statistical tests, based on the law of one price, and trading rules, based on price differentials and no-arbitrage violations, are useful for assessing time-zero efficiency. We apply tests and trading rules to daily data of three European power markets: Germany, France and Spain. In the case of the German market, after considering liquidity availability and transaction costs, results are not inconsistent with time-zero efficiency. However, in the case of the French and Spanish markets, limitations in liquidity and representativeness are challenges that prevent definite conclusions. Liquidity in French and Spanish markets should improve by using pricing and marketing incentives. These incentives should attract more participants into the electricity derivatives exchanges and should encourage them to settle OTC trades in clearinghouses. Publication of statistics on prices, volumes and open interest per type of participant should be promoted.

Suggested Citation

  • Peña, Juan Ignacio & Rodriguez, Rosa, 2016. "Time-zero efficiency of European power derivatives markets," Energy Policy, Elsevier, vol. 95(C), pages 253-268.
    • Handle: RePEc:eee:enepol:v:95:y:2016:i:c:p:253-268
    DOI: 10.1016/j.enpol.2016.05.010
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    References listed on IDEAS

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    Cited by:

    1. Peña, Juan Ignacio & Rodriguez, Rosa, 2018. "Default supply auctions in electricity markets: Challenges and proposals," Energy Policy, Elsevier, vol. 122(C), pages 142-151.
    2. Iván Blanco, Juan Ignacio Peña, and Rosa Rodriguez, 2018. "Modelling Electricity Swaps with Stochastic Forward Premium Models," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2).

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    More about this item

    Keywords

    C51; G13; L94; Q40; Time-zero efficiency; Power derivatives; Law of one price; Trading rules; Electricity swaps;
    All these keywords.

    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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