Changing energy intensity of economies in the world and its decomposition |
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| Affiliation: | 1. School of Economics, University College Dublin, Ireland;2. Economic and Social Research Institute, Dublin, Ireland;3. Department of Economics, Trinity College Dublin, Ireland;1. Department of Economic, College of Charleston, 5 Liberty Street, Beatty Center Suite 413, Charleston, SC29401, United States;2. Department of Economic, College of Charleston, 5 Liberty Street, Beatty Center Suite 333, Charleston, SC29401, United States;1. School of Economics and Management, China University of Petroleum, Qingdao 266580, China;2. Institute for Energy Economics and Policy, China University of Petroleum, Qingdao 266580, China;3. Department of Economics, Jinan University, Guangzhou 510632, China |
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| Abstract: | This paper decomposes energy intensity change across countries into five components attributable to technological catch-up, technological progress and changes in capital–energy ratio, labor–energy ratio and output structure. It is found that (1) technological progress, capital accumulation and output structure change contributed to the decline of energy intensity from 1980 to 2010, (2) changes in labor–energy ratio drove up energy intensity, and (3) spatial and temporal heterogeneity existed regarding relative importance of the five components. |
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