作为“一带一路”沿线主要国家，中、蒙、俄3国共同组成中蒙俄经济走廊带。以中、蒙、俄能源效率为主要研究内容，利用2000—2014年3国能源和环境数据，考察3国能源利用和环境状况，运用结合窗口模型的超效率DEA（data envelopment analysis）模型测算包含碳排放约束的三国全要素能源效率，并回归分析其影响因素。能源效率研究结果表明，中国的能源消耗和CO2排放量均大于俄罗斯和蒙古国；中、蒙两国能源消费与CO2排放关系密切；2004—2009年俄罗斯的单要素和全要素能源效率均高于中国和蒙古国，而2010—2014年中国的单要素和全要素能源效率均高于俄罗斯和蒙古国。造成能效差异的主要原因为：经济发展、能源贸易增加对能源效率的提高有积极作用，煤炭等高耗能能源的投入及工业在产业中占比的增加对能源效率产生负向影响。
In this research, the energy efficiencies of China, Mongolia and Russia are analyzed for the period of 2000 to 2014. The conditions of energy utilization and carbon dioxide emission are investigated through the data from IEA and World Bank. The total factor energy efficiency is calculated with super SBM and window DEA model. Besides, regression analysis is used to identify the influencing factors. The result indicates that Chinese energy consumption and carbon dioxide emissions were higher than Russia and Mongolia. Chinese and Mongolia energy consumptions and carbon dioxide emissions were closely related. The energy efficiency in Russia from 2004 to 2009 was the highest while Chinese was the highest from 2009 to 2014. Moreover, the economic development and energy trade increment had positive effects on energy efficiency, whereas both input of high energy consumption and proportion of industrial would bring negative influences on energy efficiency.
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