Korean Management Science Review (경영과학)

The Korean Operations Research and Management Science Society (한국경영과학회)
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The Energy-efficiency Analysis of Companies in Korea Using DEA

DEA를 활용한 국내 기업의 에너지효율성 분석

  • Moon, Hana (Ewha Womans University, School of Business) ;
  • Min, Daiki (Ewha Womans University, School of Business)
  • 문하나 (이화여자대학교 경영학과) ;
  • 민대기 (이화여자대학교 경영학과)
  • Received : 2015.02.02
  • Accepted : 2015.07.20
  • Published : 2015.09.30
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Abstract

This paper suggests energy efficiency which can be the foundation on corporate profit and effective energy management following by change of global climate and of energy-related regulations. Using comparable financial information and information related to energy use, an DEA (Data Envelopment Analysis) model has been used to identify energy efficiency with DMU (Decision Making Unit)s which are companies subjected to reduce greenhouse gas emission in 2009. Through this research, different from existing researches, environmental variables which can influence on energy efficiency are identified. The results show as follows. First, most of companies follow IRS, which means scale of economy exists among units so that they have more opportunity to increase efficiency by increasing scale of inputs. Second, this research identified that depending on the difference of environmental characters such as the emission structure and the size of companies, energy efficiency of the companies turns out differently.

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References

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