Abstract
Based on DEA theory and window analysis method, this paper empirically measures the ecological efficiency of six resource exhausted cities in Jilin old industrial base from 2012 to 2017, and investigates their regional differences and dynamic evolution characteristics. The results show that: in the sample period, the overall ecological efficiency of Jilin old industrial base is low, but fluctuates slightly; the difference between different urban areas is obvious, while the industrial structure and low level of science and technology inhibit the improvement of ecological efficiency.
Highlights
At the beginning of the 13th five year plan in 2016, China launched a new round of strategic plan of "comprehensively revitalizing the old industrial base in Northeast China"
In order to alleviate the severe ecological environment pressure of the northeast old industrial base and promote the green and sustainable development of regional economy, this study will introduce the environmental impact factors of industrial pollution based on window DEA method, and evaluate the eco-environmental efficiency of 11 resource exhausted cities in Jilin old industrial bases, which is of great importance to better realize the strategic goal of revitalizing the northeast old industrial base The practical significance of
Because the frontier of decision-making units (DMUs) constructed by traditional DEA method is not the same in different periods, it only reflects the horizontal static efficiency of DMUs in a certain period, so it is not comparable in intertemporal longitudinal analysis
Summary
At the beginning of the 13th five year plan in 2016, China launched a new round of strategic plan of "comprehensively revitalizing the old industrial base in Northeast China". In view of the ecological environment problems of the old industrial base, it emphasizes "firmly establish the concept of green development, resolutely abandon the development mode and Practice of damaging or even destroying the ecological environment, and build the old industrial base into an ecological barrier in the north and livable with green mountains and rivers Home " In this context, in order to alleviate the severe ecological environment pressure of the northeast old industrial base and promote the green and sustainable development of regional economy, this study will introduce the environmental impact factors of industrial pollution based on window DEA method, and evaluate the eco-environmental efficiency of 11 resource exhausted cities in Jilin old industrial bases, which is of great importance to better realize the strategic goal of revitalizing the northeast old industrial base The practical significance of. Ecological efficiency has become a hot indicator of domestic and foreign scholars, widely used in various fields of ecological efficiency measurement[4-5]
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