Energy and CO2 emissions efficiency of major economies: A network DEA approach

被引:108
|
作者
Iftikhar, Yaser [1 ]
Wang, Zhaohua [1 ,2 ,3 ,4 ,5 ]
Zhang, Bin [1 ,2 ,3 ,4 ,5 ]
Wang, Bo [1 ,2 ]
机构
[1] Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Ctr Energy & Environm Policy Res, Beijing 100081, Peoples R China
[3] Collaborat Innovat Ctr Elect Vehicles Beijing, Beijing 100081, Peoples R China
[4] Beijing Key Lab Energy Econ & Environm Management, Beijing 100081, Peoples R China
[5] Sustainable Dev Res Inst Econ & Soc Beijing, Beijing 100081, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Energy efficiency; CO2 emissions efficiency; Distributive efficiency; Energy extravagance; Network DEA; DATA ENVELOPMENT ANALYSIS; SLACKS-BASED MEASURE; DYNAMIC ENVIRONMENTAL EFFICIENCY; WORLD CEMENT INDUSTRY; CHINA REGIONAL ENERGY; RENEWABLE ENERGY; UNDESIRABLE OUTPUTS; INCOME INEQUALITY; CARBON EMISSION; EUROPEAN-UNION;
D O I
10.1016/j.energy.2018.01.012
中图分类号
O414.1 [热力学];
学科分类号
摘要
This study extends the analysis of energy and CO2 emissions efficiency of economies from the black box to a network structure analysis realizing the fact that each economy is a network of two divisions responsible for production and distribution of economic outputs. Hence, its economic and distributive efficiencies must be taken into account while analyzing the energy and CO2 emissions efficiency. In order to analyze energy and CO2 emissions efficiency of economies in terms of economic and distributive efficiencies simultaneously, we have innovatively applied network DEA model free link case under free disposability assumption for all undesirable outputs in both divisions of economies. The results are tantalizing as we have found that in aggregate 85% of energy consumption and 89% of CO2 emissions were just because of economic and distributive inefficiencies. Although none of the economies was overall efficient but a few were efficient in one of the two divisions. China was the largest user of excess energy because of economic inefficiency and the USA was the largest user of excess energy because of distributive inefficiency. We have suggested that inefficient economies not only need rightly directed taxation laws, incentives, and penalties but also need reforms in economic structures. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码:197 / 207
页数:11
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