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http://dx.doi.org/10.5394/KINPR.2015.39.6.507

A Study on Efficiency of Resident Logistics Companies in Port Hinterland Using Super-SBM  

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)
Publication Information
Journal of Navigation and Port Research / v.39, no.6, 2015 , pp. 507-514 More about this Journal
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%.
Keywords
Port logistics Hinterland; Efficiency; CCR; BCC; Super-efficiency; Super-SBM;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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