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TitleEnergy and carbon prices: a comparison of interactions in the European Union Emissions Trading Scheme and the Western Climate Initiative market
Author(s)Sousa, Rita
Aguiar-Conraria, Luís
KeywordsCarbon price
VAR model
Issue date29-Oct-2015
PublisherTaylor & Francis
JournalCarbon Management
Abstract(s)We provide a comparative analysis of how short-run variations in carbon and energy prices relate to each other in the emerging greenhouse gas market in California (Western Climate Initiative [WCI], and the European Union Emission Trading Scheme [EU ETS]). We characterize the relationship between carbon, gas, coal, electricity and gasoline prices and an indicator for economic activity, and present a first analysis of carbon prices in the WCI. We also provide a comparative analysis of the structures of the two markets. We estimate a vector autoregressive model and the impulse--response functions. Our main findings show a positive impact from a carbon shock toward electricity, in both markets, but larger in the WCI electricity price, indicating more efficiency. We propose that the widening of carbon market sectors, namely fuels transport and electricity imports, may contribute to this result. To conclude, the research shows significant and coherent relations between variables in WCI, which demonstrate some degree of success for a first year in operation. Reversely, the EU ETS should complete its intended market reform, to allow for more impact of the carbon price. Finally, in both markets, there is no evidence of carbon pricing depleting economic activity.
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:NIPE - Artigos em Revistas de Circulação Internacional com Arbitragem Científica

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