The determinants of CO2 prices in the EU emission trading system

Yuliya Lovcha, Alejandro Perez-Laborda and Iryna Sikora

Applied Energy, 2022, vol. 305, issue C, No S0306261921012162

Abstract: In 2005, the European Union launched its Emissions Trading System (ETS), the first and one of the largest international carbon markets aimed at reducing member states' CO2 emissions. Policymakers tend to use the carbon price as an indicator of the “health” and effectiveness of the ETS mechanism, although this measure is influenced by many other energy and climate policies, energy market fundamentals, and speculative shocks. This paper develops a model that links the energy sector (oil, natural gas, coal, electricity prices, and the share of fossil fuels in electricity generation), economic activity, and the carbon price. The model can be used as a monitoring tool for carbon price dynamics. We represent the model empirically through a Structural Vector Autoregression and use frequency-domain analysis to distinguish the effects of changes in fundamental factors from shocks to market microstructure. Our empirical results show that up to 90% (65% on average) of the fluctuations in the carbon price, adjusted for supply effects, are explained by fluctuations in fundamental market variables; however, the individual contributions are not stable. Overall, our results suggest that the ETS has started to work well.

Keywords: Carbon price; SVAR; Frequency-Domain; Connectedness; EU ETS (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (29)

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DOI: 10.1016/j.apenergy.2021.117903

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