Environmental efficiency measures for ports: an application of RAM-Tobit-RAM with undesirable outputs

被引：30
|
作者：
Cui, Qiang [1 ]
机构：
[1] Southeast Univ, Sch Econ & Management, Nanjing 211189, Jiangsu, Peoples R China
来源：
MARITIME POLICY & MANAGEMENT | 2017年 / 44卷 / 05期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Environmental efficiency; RAM-Tobit-RAM; undesirable outputs; port; non-operational factors; NONPARAMETRIC PRODUCTIVITY ANALYSIS; DATA ENVELOPMENT ANALYSIS; ECO-EFFICIENCY; COST; PERFORMANCE; EMISSIONS; EVIDENCES; ENERGY; CARBON;
D O I：
10.1080/03088839.2017.1319982
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
In this paper, the environmental efficiency of the ports is measured. Labour, fund and infrastructure input are selected as the inputs, container throughput, cargo throughput and main business income are selected as the outputs, CO2 emission is chosen as the undesirable output. A new modelRAM-Tobit-RAM (Range Adjusted Measure) with undesirable outputs is built to evaluate the environmental efficiency. Ten Chinese ports from 2004 to 2013 are taken as the samples to verify its rationality. The results suggest that it is not necessarily beneficial for environmental efficiency to expand the port scale.
引用
收藏
页码：551 / 564
页数：14
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