基于三阶段DEA模型的中国区域绿色投资生态效率分析

摘要基于2007—2016年中国区域绿色投资的生态效率值,通过引入区域生产总值、财政支出及城市人口三个环境因素构建三阶段DEA模型,对各省域的绿色投资与生态改善进行了实证研究。研究结果表明:三阶段DEA模型能够调节环境因素和随机误差对绿色投资生态效率的影响,其测算的绿色投资生态效率更科学、合理;相比调整后的绿色投资生态效率,调整前高估了技术效率,而低估了规模效率;中国绿色投资生态效率平均资源浪费达40.5%,而绿色投资的规模不经济是造成资源浪费的主要原因。

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	刘钊

关键词：绿色投资三阶段DEA模型生态效率

Abstract： Based on a three-stage DEA model which is constructed by introducing three environmental factors-regional gross domestic product (GDP), fiscal expenditure and urban population, a systematic empirical study on green investment and ecological improvement in different provinces in China from 2007 to 2016 is carried out by the author of this paper. The study results show that the three-stage DEA model can adjust the impact of environmental factors and random errors on the ecological efficiency of green investment, and the estimated ecological efficiency of green investment is more scientific and reasonable. Compared with the adjusted ecological efficiency of green investment, the technical efficiency is overestimated before the adjustment, while the scale efficiency is underestimated. During 2007-2016, the average resource waste of the ecological efficiency of green investment in China reached 40.5%; the scale of green investment was uneconomic, which is the main reason of resources waste. In 2007-2016, only 55.17% of the tested provinces whose ecological efficiency of green investment were effective; the effective years of green investment ecological efficiency only accounted for 18.97% of the tested years, and most provinces and years were in the ineffective state of DEA.

Keywords： green investment three-stage DEA model ecological efficiency

收稿日期 2018-08-15; 接受日期 ;

作者简介: 刘钊(1985— ),男,河南郑州人,博士研究生,主要从事绿色金融研究。

引用本文:

刘钊.基于三阶段DEA模型的中国区域绿色投资生态效率分析[J]. 经济经纬, 2019,6: 17-24

LIU Zhao.An Analysis of Eco-efficiency of Regional Green Investment in China Based on Three-stage DEA Model[J] Economic Survey, 2019,V36(6): 17-24

链接本文:

http://www.jjjw.org.cn/CN/ 或 http://www.jjjw.org.cn/CN/Y2019/V36/I6/17

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