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首页> 外文期刊>nternational Journal of Shipping and Transport Logistics >A two-stage supply chain DEA model for measuring container-terminal efficiency
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A two-stage supply chain DEA model for measuring container-terminal efficiency

机译：用于评估集装箱码头效率的两级供应链DEA模型

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摘要

Despite the growing amount of research into container-port operations and efficiency, much of the literature on the subject treats container ports and terminals as black box systems without examining the structure of their transformation and production processes. Research on the network and multi-stage structure of container-terminal operating systems is scarce and its applications in the context of port performance and benchmarking are even scarcer. In this paper, we argue that the container terminal production would be best modelled as a network of interrelated sub-processes and operating sites and develop a supply chain DEA model aimed at capturing the transformational process within the container-terminal system and across its sub-systems. We start by modelling container terminal operations as a container-flow process and analyse their site-specific and combined efficiency before formalising a two-stage supply chain DEA model to measure the efficiencies of both individual and network container terminal operations. Although, due to the unavailability of detailed operational data, this study is limited to container export flows only, the results provide further insight on the network structure of container-terminal operating systems and confirm the existence of disproportionate performances and efficiency levels between container-terminal operating sites and sub-processes.
机译：尽管对集装箱港口运营和效率的研究越来越多，但有关该主题的许多文献都将集装箱港口和码头视为黑匣子系统，而没有检查其转换和生产过程的结构。缺乏对集装箱码头操作系统网络和多阶段结构的研究，甚至在港口性能和基准测试方面的应用也很少。在本文中，我们认为，最好将集装箱码头生产建模为相互关联的子流程和运营地点的网络，并开发一个供应链DEA模型，旨在捕获集装箱码头系统内部及其整个子流程中的转型过程。系统。我们首先将集装箱码头运营建模为集装箱流过程，并分析其特定于站点的效率和综合效率，然后再正式制定两阶段供应链DEA模型，以衡量单个和网络集装箱码头运营的效率。尽管由于详细操作数据的缺乏，本研究仅限于集装箱出口流量，但结果仍可进一步了解集装箱码头操作系统的网络结构，并确认了集装箱码头之间存在不成比例的性能和效率水平操作站点和子流程。

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