Measuring the environmental efficiency of the Chinese industrial sector: A directional distance function approach

Measuring the environmental efficiency of the Chinese industrial sector: A directional distance function approach
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衡量中国工业部门的环境效率:定向距离函数方法

DOI:
10.1016/j.mcm.2012.10.024
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发表时间:
2013-09
影响因子:
--
通讯作者:
Liang, Wenbo
Liang, Wenbo
中科院分区:
--
文献类型:
--
作者:
Yuan, Peng;Cheng, Shi;Sun, Jia;Liang, Wenbo

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针对污染物处理能力强和弱的两种技术,本文提出了一种定向距离函数方法来衡量两种技术效率。环境效率指数定义为两种技术效率之比,反映污染物由强可处置性转变为弱可处置性的机会成本。采用该方法测算了中国工业部门的环境效率指数,采用2003—2009年中国284个地级及以上城市工业部门的投入产出数据,包括废水、二氧化硫和烟尘的排放量。还使用面板 Tobit 模型研究了环境效率的几个因素。
This paper presents a directional distance function approach to measure two technical efficiencies with respect to the two technologies characterized by strong and weak disposability of pollutants. The environmental efficiency index, defined as the ratio of the two technical efficiencies, reflects the opportunity cost to transform the strong disposability of pollutants into a weak one. The proposed approach is applied to measure the environmental efficiency index of the Chinese industrial sector, with the input and output data of the sector in 284 cities at the prefecture level and above in China from 2003 to 2009, including the emissions of wastewater, sulfur dioxide, and soot. Several factors of environmental efficiency are also investigated by using a panel Tobit model.
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