Abstract
In July 2016, the European Commission presented its proposal for a regulation to reduce greenhouse gases emissions in sectors not covered by the emissions trading system with regard to post-2020 binding targets. The proposal extends the burden-sharing framework designed in 2008. This new burden-sharing, called by the European Commission as the Effort Sharing Regulation, is based on a GDP per capita rule and aims to reflect the economic capacity of each European Member State on the basis of its relative wealth. However, several papers have pointed out that this way of allocating emissions can result in great cost-inefficiencies, as the allocations do not take Member State abatement costs into account. The proposal acknowledges this issue and proposes a range of flexibility instruments (i.e., more than 15 flexibility options) that intend to enhance cost-effectiveness. This paper evaluates the proposal and analyzes the economic impacts of each flexibility option with respect to fairness and cost-effectiveness using a computable general equilibrium model. The performed analysis demonstrates that flexibility mechanisms that allow “inter-Member state flexibility” constitute the most efficient options. Specifically, they reduce compliance costs and, simultaneously, increase fairness between low-income Member States and high-income Member States.
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Notes
The model is calibrated on the GTAP 9 data base, and therefore the economic variables are measured in US$\(_{2011}\) . I compute figures in €\(_{2017}\) by using the exchange rate between € and US$ for the year 2011, and the European GDP deflator between 2011 and 2017 provided by Eurostat.
The average \(\hbox {CO}_2\) price is weighted with the emissions of the scenario.
The term “hot air” was first used when the Kyoto Protocol was negotiated. It refers to an emissions target that far exceeds the likely level of emissions (like the one defined for Russia in the Kyoto Protocol). If an emissions trading system between countries is established, the emissions surplus (corresponding to the difference between GHG commitment and the effective emissions level, called “hot air”) can be sold without any reduction in emissions (Victor et al. 2001).
I estimate a linear regression between the GTT and these two variables. The following estimation is found: \(\hbox {GTT}= 0.0071 \cdot \hbox {Trade Openness} + 0.00005 \cdot \hbox {ESR tax} -0.0096\) with \(R^2\) = 0.67.
The detailed simulation results of all scenarios presented in this paper are given in the Appendix.
See Table 22 in the Appendix.
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Acknowledgements
Three anonymous reviewers are gratefully thanked for their valuable comments and suggestions. I would also like to thank Bert Saveyn and the participants of the ENERDAY 2019 conference, the 22nd Annual Conference on Global Economic Analysis, the 16th IAEE European Conference and the economic seminar of the institut national de la statistique et des études économiques du Grand-Duché de Luxembourg for their helpful comments on a previous version of this paper.
This work was supported by the H2020 European Commission Project “PARIS REINFORCE” under grant Agreement No. 820846. The sole responsibility for the content of this paper lies with the author; the paper does not necessarily reflect the opinions of the European Commission.
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Appendix
Appendix
1.1 Nested CES production function
Domestic production technologies are described through nested CES functions which differ according to the sector. Figure 6 shows the nested CES production structure of the non-fossil energy sector. Production is done with four aggregates: Capital, labor, material and energy. In a second step (nest), material and energy are decomposed in individual goods using again CES functions.
Coal, crude oil and natural gas sectors include a fix factor that represents the non-renewable resource associated with each fossil fuel energy. For these sectors I suppose that the domestic production is realized with this fix factor and the other standard inputs (i.e., capital, labor, material and energy) through again a nested CES function. Finally, Refined petroleum products are produced from the basic input, that is crude oil. The model considers this specificity with a CES function between crude oil and other standards inputs at the top level of the nested CES structure.
1.2 Nested CES household function
Figure 7 shows the nested CES structure of the household consumption. At the first level of the consumption function, households choose between three aggregates: housing, transport and other consumptions. Energy consumption is divided between transportation and housing purposes. In each nest, energy can be substituted by spending more on capital goods, cars in the first case and shelter in the second one, in other words, by purchasing more energy-efficient but also more expensive cars and housing units.
1.3 Scenario detailed results
See Tables 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22.
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Vielle, M. Navigating various flexibility mechanisms under European burden-sharing. Environ Econ Policy Stud 22, 267–313 (2020). https://doi.org/10.1007/s10018-019-00257-3
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DOI: https://doi.org/10.1007/s10018-019-00257-3