Evaluation on the efficiency of municipal solid waste management in cities of China based on DEA-Malmquist
LIU Wei-ling1,2, XIAO Li-shan3, LIN Jian-yi1, GUO Qing-hai4, XU Ling-xing1
1. Key of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China; 3. School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai 200234, China; 4. School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China
Abstract:This study combined the Data Envelopment Analysis (DEA) and Malmquist index to construct an index system covering the three principles of reduction, resources and harmless, and analyzed the spatial-temporal characteristics and the influencing factors of municipal solid waste (MSW) management efficiency in China's cities from 2013 to 2017, then investigated the impact of resource utilization rate on management efficiency. Research results showed that the overall efficiency of MSW management in China's major cities was relatively high, with the spatial characteristics of high efficiency in east cities and low efficiency in west cities. The overall efficiency of MSW management during 2013~2017 was not improved mainly due to the lack of technology improvement. There were significant differences of MSW management efficiency in different types of cities. Cities with high management efficiency including Beijing, Shenzhen, Nanjing, Qingdao and Chongqing, and their management efficiency had been continually improved in these periods. However, the MSW management efficiency of other cities was opposite. Increasing resource utilization rate had limited impact on the improvement of management efficiency. Lastly, policies like strengthening regional cooperation and exchange, promoting the development of technological innovation, trading off socioeconomic and environmental goals, and implementing differentiated management were proposed for achieving MSW's sustainable management.
刘蔚玲, 肖黎姗, 林剑艺, 郭青海, 徐凌星. 基于DEA-Malmquist的我国城市生活垃圾管理效率评价[J]. 中国环境科学, 2020, 40(7): 3196-3203.
LIU Wei-ling, XIAO Li-shan, LIN Jian-yi, GUO Qing-hai, XU Ling-xing. Evaluation on the efficiency of municipal solid waste management in cities of China based on DEA-Malmquist. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(7): 3196-3203.
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