期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 220, 期 1, 页码 106-114出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejor.2012.01.041
关键词
Inventory; Lost sales; Periodic review; Base stock; Heuristics
In almost all literature on inventory models with lost sales and periodic reviews the lead time is assumed to be either an integer multiple of or less than the review period. In a lot of practical settings such restrictions are not satisfied. We develop new models allowing constant lead times of any length when demand is compound Poisson. Besides an optimal policy, we consider pure and restricted base-stock policies under new lead time and cost circumstances. Based on our numerical results we conclude that the latter policy, which imposes a restriction on the maximum order size, performs almost as well as the optimal policy. We also propose an approximation procedure to determine the base-stock levels for both policies with closed-form expressions. (C) 2012 Elsevier B.V. All rights reserved.
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