Abstract
Evaluation and dynamic evolution of eco-efficiency of resource-based cities is of great significance for ecological restoration, industrial transformation and sustainable development of resource-based cities. Based on the data of 40 resource-based cities from 2012 to 2017, we first study eco-efficiency of resource-based cities from both static and dynamic aspects by super-efficiency DEA and the Malmquist index. Additionally, then, we analyze its dynamic evolution trend by Kernel density estimation. The main results are as follows: First, the eco-efficiency shows a steady growth trend; growing cities are the highest, followed by regenerative cities and mature cities, declining cities are the lowest. Second, technological progress has the greatest contribution to growth of eco-efficiency, and scale efficiency restricts its growth. Third, efficiency distribution of resource-based cities with different life cycles show different characteristics of evolution, and the regional gap is narrowing gradually. Finally, management implications are put forward based on the empirical conclusions.
Highlights
A resource-based city is developed with the exploitation of rich natural resources, and it is a special type of city that takes development and utilization of resources as the leading industry to support economic development of the whole city [1]
The results showed that overall eco-efficiency of resource-based cities fluctuates little and shows a trend of rapid growth in the near future, and there is a large difference in eco-efficiency between regions, which is much higher in the west than that in the central and eastern cities
Static Evaluation of Eco-Efficiency of Resource-Based Cities Based on Super-Efficiency data envelopment analysis (DEA)
Summary
A resource-based city is developed with the exploitation of rich natural resources, and it is a special type of city that takes development and utilization of resources as the leading industry to support economic development of the whole city [1]. How to protect eco-environment while promoting sustainable development of resource-based cities has become an urgent problem to be solved. The evaluation of eco-efficiency is of great significance for ecological restoration, industrial transformation and enhancing the ability of sustainable development of resource-based cities [5]. 40 resource-based cities in China, and divides resource-based cities into stages according to resource development cycle to further reveal the stage differences of dynamic evolution of eco-efficiency and achieve theoretical and practical innovation to a certain extent. This study uses calculation and dynamic evolution analysis of eco-efficiency of resource-based cities by constructing an evaluation index system. This study divides resource-based cities into growing cities, mature cities, declining cities and regenerative cities, and analyzes dynamic evolution law of eco-efficiency of resource-based cities, so as to provide some reference for sustainable development of resource-based cities.
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