Journal
COMPUTERS & OPERATIONS RESEARCH
Volume 34, Issue 9, Pages 2758-2773Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cor.2005.10.011
Keywords
multiple suppliers; capacity; finite-time horizon; scatter search; dynamic programming
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We study the problem of a manufacturer who outsources a single product to multiple capacitated suppliers. Given a pool of potential suppliers, a decision has to be made about which supplier(s) to use, and how much and how often to purchase from each selected supplier. We build an EOQ-type model with a finite-time horizon, which differs from the existing model in the literature with an infinite-time horizon. We design a dynamic programming and a scatter search algorithm to solve the problem, and provide computational results to show the effectiveness of the proposed methods. (c) 2005 Elsevier Ltd. All rights reserved.
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