Environmental efficiency analysis of port cities: Slacks-based measure data envelopment analysis approach

Because ports have been rapidly expanding, port cities have been exposed to air pollution. Air pollution in port cities that has resulted from the intense expansion of ports has become a pressing concern. Although several studies have discussed the relationship between port and city functions and a...

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Vydané v:Transport policy Ročník 33; s. 82 - 88
Hlavní autori: Lee, Taehwee, Yeo, Gi-Tae, Thai, Vinh V.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier Ltd 01.05.2014
Predmet:
Air pollution
Carbon dioxide
Environmental assessment
Environmental efficiency
Mathematical models
Nitrogen oxides
Operations research
Opportunity cost
Port city
Ports
Pressing
Slacks-based measure data envelopment analysis
Social cost
USA, New York
Singapore
Netherlands, Rotterdam
Taiwan, Kaohsiung
China, People's Rep., Tianjin
Social cost
Opportunity cost
Port city
Environmental efficiency
Slacks-based measure data envelopment analysis
ISSN:0967-070X, 1879-310X
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Shrnutí:Because ports have been rapidly expanding, port cities have been exposed to air pollution. Air pollution in port cities that has resulted from the intense expansion of ports has become a pressing concern. Although several studies have discussed the relationship between port and city functions and a few studies have attempted to consider ports׳ environmental performance using the data envelopment analysis (DEA) approach, none have examined emerging port city issues like their environmental influence in great detail. To address these gaps, a slacks-based data envelopment analysis (SBM-DEA) model was used in this paper to assess the environmental efficiency of port cities. The labor population in respective port cities was selected as the input variable, and gross regional domestic product (GRDP) and container throughput were used as the desirable output variables. As the undesirable output variables, nitrogen oxide (NOx), sulfur oxide (SO2), and carbon dioxide (CO2) emissions were selected in the model. The results showed that Singapore, Busan, Rotterdam, Kaohsiung, Antwerp, and New York are the most environmentally efficient port cities, while Tianjin is the least environmentally efficient. The social and opportunity costs for air pollutants emissions in low efficient port cities were calculated as well. •This paper attempts to evaluate the environmental efficiency of port cities.•A slack-based data envelopment analysis (SBM-DEA) model was used.•As the undesirable output variables, NOx, SO2, and CO2 emissions were selected.
Bibliografia:ObjectType-Article-1
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content type line 23
ISSN:0967-070X
1879-310X
DOI:10.1016/j.tranpol.2014.02.009