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Ordering policies for inventory systems with expediting

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  • C Chiang

    (National Chiao Tung University)

Abstract

Most studies in the inventory literature assume either no expediting or placing an additional order in the case of an emergency. However, many companies do expedite orders or shipments. In this paper, we propose two continuous-review single-item policies when expediting is allowed. The first is a modified Allen and D'Esopo's model when expediting is possible before a threshold time point, while the second is a heuristic policy when an expediting decision can be made at a certain time point during the lead time. We also devise a simple tabulation algorithm to find the optimal operational parameters. Computational results show that the proposed policies perform better than the ordinary no-expediting model, especially when the service level is high.

Suggested Citation

  • C Chiang, 2002. "Ordering policies for inventory systems with expediting," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 53(11), pages 1291-1295, November.
    • Handle: RePEc:pal:jorsoc:v:53:y:2002:i:11:d:10.1057_palgrave.jors.2601437
    DOI: 10.1057/palgrave.jors.2601437
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    Cited by:

    1. Chiang, Chi, 2010. "An order expediting policy for continuous review systems with manufacturing lead-time," European Journal of Operational Research, Elsevier, vol. 203(2), pages 526-531, June.
    2. Svoboda, Josef & Minner, Stefan & Yao, Man, 2021. "Typology and literature review on multiple supplier inventory control models," European Journal of Operational Research, Elsevier, vol. 293(1), pages 1-23.
    3. Höller, Simon J. & Özsen, Raik & Thonemann, Ulrich W., 2020. "Determining optimal parameters for expediting policies under service level constraints," European Journal of Operational Research, Elsevier, vol. 281(2), pages 274-285.
    4. Raik Özsen & Ulrich W. Thonemann, 2015. "Determining Optimal Parameters for Expediting Policies," Manufacturing & Service Operations Management, INFORMS, vol. 17(1), pages 120-133, February.

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