A Study of the Green Efficiency of Industrial Water Resource in Yangtze River Economic Zone Based on the Two-Stage Evaluation of Production and Treatment

Abstract

Abstract: To improve the green efficiency of industrial water resource in Yangtze River Economic Zone, it is necessary to consider systematically the impact of the two stages of production and sewage treatment. By employing the network SBM-Malmquist method, this paper evaluates respectively the industrial water efficiency, sewage treatment efficiency and the integrated green efficiency of the two stages in Yangtze River Economic Zone from 2010 to 2015. The findings show that the efficiency at production water-using stage in Yangtze River Economic Zone is higher than the efficiency at the sewage treatment stage. The integrated green efficiency at the two stages has better increased due to the technological progress at the production water-using stage, whereas the management efficiency and technological progress level need to be improved at the sewage treatment stage. The growth of production water-using efficiency is comparatively higher in the upstream and downstream areas of the Yangtze River; however, the growth of sewage-treating efficiency is comparatively lower in the upstream area, while that in the midstream area is the opposite. This study can shed some lights on the systematical evaluation and improvement of the green efficiency of industrial water resource in Yangtze River Economic Zone.

Key words: industrial green efficiency, water resource, Yangtze River Economic Zone, network SBM-Malmquist

CLC Number:

F061.5

ZHANG Xi-yue, SUN Fang-cheng, WANG Huai-zu. A Study of the Green Efficiency of Industrial Water Resource in Yangtze River Economic Zone Based on the Two-Stage Evaluation of Production and Treatment[J]. Journal of Jiangxi University of Finance and Economics, 2020, 0(2): 26-36.

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