In the long-term stabilization targets of greenhouse gases concentrations, various carbon emission rights allocation schemes have been proposed. To compare and evaluate them, the most essential is the equityefficiency tradeoff. This paper measures the equity and the efficiency in the global rather than the narrower national perspective. Specifically, the equity of the first allocation is quantified by the carbon Gini coefficient defined by per capita cumulative emission, and the economic efficiency to accomplish obligations is described with the discounted global abatement costs. Under 20 key allocation schemes, the numerical comparison on the equity-efficiency tradeoff side is carried out through the Equitable Access to Sustainable Development model. Our studies indicate that the equity and the efficiency of future emission space allocation approximately show a three-stage relationship.

Xunzhang Pan

Fei Teng

Gehua Wang

Energy

ENERGY 是能源工程和研究领域的国际多学科期刊。该杂志旨在成为领先的同行评议平台和能源相关分析、评论和评估的权威信息来源。该杂志涵盖机械工程和热科学领域的研究，重点关注能源分析、能源建模和预测、综合能源系统、能源规划和能源管理。该杂志还欢迎有关节能、能源效率、生物质和生物能源、可再生能源、电力供需、储能、建筑能源以及经济和政策问题等相关主题的论文，只要这些主题在能源的更广泛的多学科范围。

Energy is an international multidisciplinary journal focused on the field of energy engineering and research. The journal aims to be a leading peer-reviewed platform and an authoritative source of information for energy-related analyses, reviews, and assessments. It covers research in mechanical engineering and thermodynamics, with a focus on energy analysis, energy modeling and forecasting, integrated energy systems, energy planning, and energy management. The journal also welcomes papers on related topics such as energy conservation, energy efficiency, biomass and bioenergy, renewable energy, electricity supply and demand, energy storage, building energy, as well as economic and policy issues, provided these topics fall within the broader multidisciplinary scope of energy.

《Energy》是一个国际多学科期刊，专注于能源工程和研究领域。该期刊旨在成为领先的同行评审平台，提供与能源相关的分析、评论和评估的权威信息来源。期刊涵盖机械工程和热科学的研究，重点关注能源分析、能源建模与预测、综合能源系统、能源规划和能源管理。此外，期刊欢迎关于节能、能源效率、生物质与生物能源、可再生能源、电力供需、储能、建筑能源以及经济和政策问题等相关主题的论文，只要这些主题符合能源的更广泛的多学科范围。

Category	Quartile
工程技术	1
工程技术, 热力学	1
工程技术, 能源与燃料	2

A comparison of carbon allocation schemes: On the equity-efficiency tradeoff

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