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논문 기본 정보

자료유형
학술대회자료
저자정보
Lele Zhou (Incheon National University) Hyangsook Lee (Incheon National University)
저널정보
대한교통학회 대한교통학회 학술대회지 대한교통학회 제87회 학술발표회
발행연도
2022.9
수록면
324 - 329 (7page)

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Previous literature has recognised the importance of port efficiency to port performance, and two popular methodologies of DEA (Data Envelopment Analysis) and SFA (Stochastic Frontier Analysis) have been widely applied to efficiency evaluation. However, there seems a limitation of lacking objectivity when selecting the variables of inputs and outputs. Meanwhile, as the largest port in Korea, although many related efficiency studies already exist, most of them are founded on a whole port level basis while not on the container terminal level. Therefore, to fill the gap, this paper introduces a PCA (Principal Component Analysis)-DEA approach to research the operational efficiency of nine container terminals of Busan Port with the latest data of 2021. Container throughput is set as the output, and 13 variables from three scopes of land, facilities and labour are identified as inputs, followed by PCA which eventually detects three indictors of “No. transfer crane (RMGC) in yard”, “Staff average salary” and “Container freight station (CFS) space” as the core inputs representing the above three dimensions. Then, the DEA(CCR) and DEA(BCC) models are used to gain the assessment results: “PNIT”, “PNC” and “HJNC” are DEA efficiency, while others of “HPNT”, “BNCT”, “Jaseongdae”, “Shinseondae”, and “Gamman” and “Shin Gamman” are non-DEA efficiency. In addition, to achieve the target efficiency for the non-effective terminals, this paper confirms improvements through Return to Scale (ROS) and input redundancy discussion. The PCA-DEA port (terminal) evaluation approach is practical and unbiased, and it may have some special practical value for the port industry.

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