DEA-Malmquist 지수를 이용한 중국 환경효율에 관한 평가 연구
Research on Eco-efficiently Evaluation of China Based on DEA-Malmquist Index
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초록
본 연구는 중국 30개 성시를 연구 대상으로 하여 정태적, 동태적 두 가지 각도에서 연구의 시발점으로 하였으며, DEA-BCC 모델과 Malmquist 지수를 사용하여 2011~2020년 중국 30개 성시의 환경 효율성을 산정하였다. 연구에 따르면 중국 30개 성시의 정태 환경 효율성은 평균 0.643으로 전국 범위에서 뚜렷한 차이를 보인다. Beijing, Shanghai는 환경 효율성이 유효하고 나머지 28개 성시는 모두 차원이 다른 비효율 상태를 가지고 있다. 구역발전에서도 차별성이 있어 전반적으로 동고서저형 공간 구도를 보인다. 전국 30개 성시의 환경 효율성인 Malmquist 지수는 상승하는 성장세를 보이며 기술진보가 주요한 추진력이 된다. 향후 정책에서는 동부지역의 방사선 견인능력을 높이고 각 구역 간 시너지를 강화하여 구역 우위를 충분히 발휘해야 할 것이다. 그리고 산업구조 최적화, 과학기술 수준 제고, 전국 환경 효율성의 상승을 견인하여 녹색 발전을 실현한다.
Abstract
The DEA-BCC model. And the Malmquist index have been used, from static and dynamic perspectives, to measure the eco-efficiency of 30 cities and provinces in China from 2011 to 2020. The results shows that: the average static eco-efficiency of 30 cities and provinces in China is 0.643. Differences exists all over China. While Shanghai and Beijing are ecologically efficient, other 28 cities and provinces are faced with different extents of inefficiency. There are also differences among regions, which generally show the spatial distribution pattern with high efficiency in the eastern regions while low in the western regions. The Malmquist index of eco-efficiency in total 30 cities and provinces shows a healthy growth trend, and the technological progress. Acts as its main driving force. Therefore, eastern regions should enhance the. radiation capacity, strengthen the synergy among regions, give full play to. The advantages of each regions. It is sensible to improve the eco-efficiency by means of optimizing the industrial structure, enhancing the technological level and improving eco-efficiency of China and realizing green development.
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