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Inventory rotation of medical supplies for emergency response

Author:
Zhou, Quan Spring  Olsen, Tava Lennon  


Journal:
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH


Issue Date:
2017


Abstract(summary):

We investigate an inventory control system for a national medical reserve to rotate its long-life perishable product to a hospital. This work is motivated by the serious expiration problem existing in reserves prepared for emergency response. We explicitly consider the perishability of a long-life product, such as latex gloves, and study the joint rotation and ordering decisions. The optimal policy is characterised by two thresholds, and the whole shelf life horizon can be divided into two phases: non-rotation and then rotation after a critical period. We characterise the monotonicity of the order-up-to levels. We find that the optimal policy structure preserves well when extended to scenarios with a capacity constraint and multiple planning horizons. This system possesses an easy-to-implement optimal policy structure, and moreover, implies that we should not always ignore the perishability of long-life products. (C) 2016 Elsevier B.V. All rights reserved.


Page:
810---821


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