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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26332


    Title: INTERMODAL PRICING USING NETWORK FLOW TECHNIQUES
    Authors: YAN,SY;BERNSTEIN,D;SHEFFI,Y
    Contributors: 土木工程研究所
    Keywords: VEHICLE ALLOCATION PROBLEM;MODEL
    Date: 1995
    Issue Date: 2010-06-29 17:10:59 (UTC+8)
    Publisher: 中央大學
    Abstract: Traditional cost calculations do not accurately estimate the opportunity costs of using conveyances in intermodal operations, thus, results in many short-term pricing problems. The objective of this research is to develop a framework for estimating the opportunity costs of using conveyances in trailer-on-flatcar (TOFC) operations to assist carriers in improving their pricing strategies under highly competitive market conditions. The framework is based on a network model that simulates current operations in order to find the reduced costs and the opportunity costs of serving the loads. The network model is formulated as a linear network flow problem with side constraints. To find the reduced costs, a technique using Lagrangian Relaxation, a minimum cost algorithm, and a shortest path algorithm were developed in the research. We illustrate this model with a case study of a major north American railroad. The results show that opportunity costs do affect the accuracy of calculated system contributions for services. Moreover, the opportunity costs and system incremental costs (SICs) are unstable over time. To handle the instability we make use of a new risk-pricing approach.
    Relation: TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
    Appears in Collections:[土木工程研究所] 期刊論文

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