Evaluation of municipal solid waste classification policy in Shanghai based on hardware input-output benefit analysis
TANG Li-chen1, CHEN Mi2, ZHANG Wei1
1. School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China; 2. School of Economics, South-Central University For Nationalities, Wuhan 430074, China
Abstract：Based on the four kinds of hardware input elements:waste truck, classified delivery point, recycling service point and waste transfer station, this study takes the implementation effect of Shanghai municipal solid waste classification policy as the research object, and analyzes and evaluates the specific implementation effect of Shanghai municipal solid waste compulsory classification from January 2020 to June 2021by using DEA method. It can be seen from the data analysis results that after the promulgation of the regulations, the overall implementation effect of domestic waste classification in Shanghai is relatively good. The average values of comprehensive efficiency, pure technical efficiency and scale efficiency are 0.957, 0.993 and 0.963 respectively, which are all in a relatively effective state. However, there are redundant inputs and insufficient outputs in some months, and there is still much room for improvement It is suggested that the input factors should be applied to the municipal solid waste treatment of recyclables, dry waste, wet waste and hazardous waste in a balanced manner, so as to improve the treatment level of recyclables, dry waste, wet waste and hazardous waste in Shanghai and improve the efficiency of policy implementation.
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