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Detecting instability in the volatility of carbon prices

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  • Chevallier, Julien

Abstract

This article investigates the presence of outliers in the volatility of carbon prices. We compute three different measures of volatility for European Union Allowances, based on daily data (EGARCH model), option prices (implied volatility), and intraday data (realized volatility). Based on the methodology developed by Zeileis et al. (2003) and Zeileis (2006), we detect instability in the volatility of carbon prices based on two kinds of tests: retrospective tests (OLS-/Recursive-based CUSUM processes, F-statistics, and residual sum of squares), and forward-looking tests (by monitoring structural changes recursively or with moving estimates). We show evidence of strong shifts mainly for the EGARCH and IV models during the time period. Overall, we suggest that yearly compliance events, and growing uncertainties in post-Kyoto international agreements, may explain the instability in the volatility of carbon prices.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 33 (2011)
Issue (Month): 1 (January)
Pages: 99-110

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Handle: RePEc:eee:eneeco:v:33:y:2011:i:1:p:99-110

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Web page: http://www.elsevier.com/locate/eneco

Related research

Keywords: Instability test EGARCH Implied volatility Realized volatility EU ETS Carbon price;

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References

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Citations

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Cited by:
  1. Palzer, Andreas & Westner, Günther & Madlener, Reinhard, 2012. "Evaluation of Different Hedging Strategies for Commodity Price Risks of Industrial Cogeneration Plants," FCN Working Papers 2/2012, E.ON Energy Research Center, Future Energy Consumer Needs and Behavior (FCN).
  2. Marc Gronwald & Janina Ketterer, 2012. "What Moves the European Carbon Market? - Insights from Conditional Jump Models," CESifo Working Paper Series 3795, CESifo Group Munich.
  3. Sahbi FARHANI, 2012. "Tests of Parameters Instability: Theoretical Study and Empirical Analysis on Two Types of Models (ARMA Model and Market Model)," International Journal of Economics and Financial Issues, Econjournals, vol. 2(3), pages 246-266.
  4. Claudia Kettner & Daniela Kletzan-Slamanig & Angela Köppl & Thomas Schinko & Andreas Türk, 2011. "ETCLIP – The Challenge of the European Carbon Market: Emission Trading, Carbon Leakage and Instruments to Stabilise the CO2 Price. Price Volatility in Carbon Markets: Why it Matters and How it Can b," WIFO Working Papers 409, WIFO.
  5. Wilfried Rickels & Dennis Görlich & Gerrit Oberst & Sonja Peterson, 2012. "Carbon Price Dynamics – Evidence from Phase II of the European Emission Trading Scheme," Kiel Working Papers 1804, Kiel Institute for the World Economy.
  6. Marc Gronwald & Janina Ketterer & Stefan Trück, 2011. "The Dependence Structure between Carbon Emission Allowances and Financial Markets - A Copula Analysis," CESifo Working Paper Series 3418, CESifo Group Munich.

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