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Stochastic carbon sinks for combating carbon dioxide emissions in the EU

Ing-Marie Gren, Mattias Carlsson, Katarina Elofsson () and Miriam Munnich

Energy Economics, 2012, vol. 34, issue 5, 1523-1531

Abstract: This paper carries out numerical calculations on the potential of carbon sinks in the EU Emissions Trading Scheme (ETS) and national commitments under conditions of stochastic carbon dioxide emissions from fossil fuels and carbon sequestration by forests. Chance constraint programming is used to analyze the role of stochastic carbon sinks for national and EU-wide compliance costs. The analytical results show that the inclusion of the carbon sink option can reduce costs for low enough marginal cost and risk discount, but also that costless carbon sinks as by-products from forestry are not part of a cost-effective solution under a high reliability concern. Cost savings are reduced due to risk discounting under a reliability concern, in particular when assigning Chebyshev's inequality as compared with a normal probability distribution. It is also shown that the supply of forest sinks on the market depends on the differences in marginal abatement cost between the trading and the non-trading sectors, and in risk discounting between achievements of the ETS cap and the national commitment. Relatively low marginal abatement cost in the non-trading sector and high risk discounting of national commitment achievements increase the supply of sinks in the market and, hence, reduces the equilibrium price. The empirical application illustrates the importance of risk discounting for the magnitude of cost savings obtained from introducing forest carbon sinks in the EU ETS and national commitments.

Keywords: Carbon sequestration; EU emission trading and national commitments; Stochastic emissions and carbon sink; Chance constrained programming; Cost effectiveness (search for similar items in EconPapers)
JEL-codes: C61 D80 H23 Q48 Q54 (search for similar items in EconPapers)
Date: 2012
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