Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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A Study on Efficiency of Resident Logistics Companies in Port Hinterland Using Super-SBM

Super-SBM을 이용한 항만배후단지 입주 물류기업의 효율성 분석에 관한 연구

  • Park, Jong-Min (Graduate school of Logistics, Incheon University) ;
  • Jeon, Jun-Woo (Graduate school of Logistics, Incheon University) ;
  • Yeo, Gi-Tae (Graduate school of Logistics, Incheon University)
  • 박종민 (인천대학교 동북아물류대학원) ;
  • 전준우 (인천대학교 동북아물류대학원) ;
  • 여기태 (인천대학교 동북아물류대학원)
  • Received : 2015.11.04
  • Accepted : 2015.12.09
  • Published : 2015.12.31
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Abstract

The purpose of this study is to analyze the efficiency of resident companies in port hinterland logistics that are currently operating. The subjects of the efficiency analysis include 13 logistics hinterland resident companies in Incheon Port and Busan Port. Investment amounts, area, and number of employees were selected as input variables, and volume and sales amounts were selected as output variables. As for the efficiency analysis methods, traditional CCR and BCC models were applied. To overcome the limits of these models, a super-efficiency model and a Super-SBM model were also applied. According to the super-efficiency model analysis, the mean was 0.777 and the standard deviation was 0.54, indicating an approximate 33% difference of efficiency among the companies. According to the Super-SBM model analysis, the mean was 0.649 and the standard deviation was 0.489. When considering residuals in the super-efficiency model, the average efficiency score among the companies decreased by approximately 13%. This means that the efficiency score decrease of DMU, where non-radial residuals exist at about 18% on average. Examining the inefficiency of the inputs, the inefficiency of the number of employees turned out to be largest at -45%, compared to 'area' at -33% and 'investment amount' at -33%.

본 연구는 항만 물류배후단지에 입주하여 운영하는 입주업체들의 효율성을 분석하는 것을 연구의 목적으로 하였다. 인천항과 부산신항 항만 물류배후단지 13개 입주기업을 효율성 분석대상으로 하였으며, 투입변수는 투자액, 면적, 종업원 수를 사용하였고, 산출변수는 물동량과 매출액을 선정하였다. 효율성 분석방법으로는 전통적인 CCR 모형과 BCC 모형을 적용하고 이들의 한계점을 극복하기 위해 초효율성 모형과 Super-SBM 모형을 적용하였다. 초효율성 모형의 분석결과, 평균값은 0.777, 표준편차는 0.541로 나타나 각 기업 간 효율성 점수 차이는 33% 정도 존재하는 것으로 분석되었다. Super-SBM 모형의 분석결과, 평균값은 0.649, 표준편차는 0.489로 초효율성 모형에서 여분을 고려할 경우 기업 간 효율성 점수 평균이 약 13% 정도 감소한 것으로 나타났다. 이러한 감소의 의미는 비방사형 여분이 존재하는 DMU의 효율성 점수하락이 평균 13% 정도 됨을 의미한다. 투입요소의 비효율성 분석결과 면적 -33%, 투자액 -33%에 비해 종업원 수의 비효율성이 -45%로 가장 큰 것으로 분석되었다.

Keywords

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