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제현정,이승일,Je,Hyun-Jung,Lee,seung-il 도시정책학회 2012 도시부동산연구 Vol.3 No.2
The purpose of this study is to analyze the relationship between areal factors of urban characteristics in Seoul and its air quality by using the efficiency analysis of DEA (Data Envelopment Analysis). DEA was applied in this study to measure the power of the influence of the areal factors on the air quality for three years from 2008 to 2010. The analysis revealed that the factors have affected the air quality differently by year. In case of 2010, five factors were considered as significant, whereas one for 2008 and two for 2009 were significant. This means that the influence of the spatial factors on NO 2 has been growing larger than the other factors. So the land-use policies of city and district government become more important to reduce NO 2 emission. The results of DEA for 2010 will be useful for the local governments to establish the policies.