The elasticity of the potential of emission reduction to energy saving: Definition,measurement, and evidence from China |
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| Institution: | 1. College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China;2. Center of Hubei Cooperative Innovation for Emissions Trading System, Hubei University of Economics, Wuhan 430205, China;3. Institute of Climate Change and Public Policy, Nanjing University of Information Science & Technology, Nanjing 210044, China;4. School of Urban and Regional Science, Institute of Finance and Economics Research, Shanghai University of Finance and Economics, Shanghai 200433, China;5. School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;6. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing 210044, China;7. ANU College of Business & Economics, The Australian National University, Acton, ACT2601, Australia;1. Ecological Modelling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan 731235, West Bengal, India;2. Department of Zoology, University of Calcutta, Kolkata 700019, West Bengal, India;3. Evolution and Biodiversity Laboratory, University Paul Sabatier Toulouse-III, France;1. New Huadu Business School, Minjiang University, Fuzhou, 350108, PR China;2. Collaborative Innovation Center for Energy Economics and Energy Policy, China Institute for Studies in Energy Policy, Xiamen University, Xiamen, Fujian, 361005 PR China;3. The School of Economics, China Center for Energy Economics Research, Xiamen University, Xiamen, Fujian, 361005 PR China;4. Directorate of Colleges, Higher Education, Archives and Libraries Department, Government of Khyber Pakhtunkhwa, Pakistan;1. Energy Office, Shanghai University of Finance and Economics, Shanghai 200433, China;2. School of Urban and Regional Science, Institute of Finance and Economics Research, Shanghai University of Finance and Economics, Shanghai 200433, China |
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| Abstract: | Based on energy and CO2 emission efficiencies, this paper proposes a definition of the elasticity of the potential of emission reduction to energy saving (Eperes), and measures the elasticity in China’s 30 provincial regions. Although Eperes is a relative definition, it can be used (1) to measure the amount of reduced CO2 emissions per unit fossil energy saving, (2) to reflect the effectiveness of fossil energy saving for CO2 emission reduction in different regions, and (3) to provide decision-making criteria for selecting pathways for emission reductions in different regions. The results show that compared with energy saving, emission reduction is a more serious issue in China. This indicates that energy saving policies have been highly effective since their implementation during the 11th “Five-Year Plan”. With respect to provincial disparities, the emission reductions caused by fossil energy saving are not significant in Beijing, Shanghai, and Guangdong. Fujian province has significant Eperes, indicating that emission reduction causing by fossil energy saving is effective. Eperes has been increasing over time in Hunan and Hubei. Hainan’s Eperes has remained less than 1, indicating that its emission-reduction effect of fossil energy saving is worse than in other provinces. Moreover, the elasticity of Eastern China is greater than that of Central China and Western China. This finding sheds light on pathway selection for energy saving and emission reduction in China: it would be more appropriate to encourage fossil energy saving in Eastern China, and to promote clean energy use (e.g., water electricity and solar energy) in Central China and Western China. |
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| Keywords: | Elasticity of the potential of emission reduction to energy saving Definition Measurement Data envelopment analysis China |
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