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Hedging financial risks with a climate index based on EU ETS firms

Author

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  • Chiappari, Mattia
  • Scotti, Francesco
  • Flori, Andrea

Abstract

This paper proposes a stock market index that captures the environmental performance of firms regulated by the European Union Emissions Trading System (EU ETS). Unlike alternative methods based on market capitalization, ESG scores, and Scope 1 and 2 estimated emissions, the proposed approach relies on total verified emissions to better reflect firms’ carbon abatement efforts. A DCC-GARCH model is employed to estimate the hedge ratios, optimal weights, and hedge effectiveness of the index across various asset classes. The proposed index offers superior hedging performance compared to the European Union Allowances (EUAs), a common benchmark for tracking carbon abatement, although hedging with the EU ETS index tends to be more expensive. The proposed index constitutes a valuable tool for investors seeking climate-conscious equity investments in carbon-intensive firms with strong environmental performance.

Suggested Citation

  • Chiappari, Mattia & Scotti, Francesco & Flori, Andrea, 2025. "Hedging financial risks with a climate index based on EU ETS firms," Energy, Elsevier, vol. 320(C).
    • Handle: RePEc:eee:energy:v:320:y:2025:i:c:s0360544225009193
    DOI: 10.1016/j.energy.2025.135277
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