A two-echelon inventory model with lost sales

A two-echelon inventory model with lost sales

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Article ID: iaor20013190
Country: Netherlands
Volume: 69
Issue: 3
Start Page Number: 307
End Page Number: 315
Publication Date: Jan 2001
Journal: International Journal of Production Economics
Authors: ,
Abstract:

Almost all multi-echelon inventory models assume that demand not satisfied immediately can be backordered. In some situations this assumption may not be realistic. For example, it may be more representative to model stockouts as lost sales when the retailers are in a competitive market and customers can easily turn to another firm when purchasing the good. Assuming lost sales at the retailers, we consider a one warehouse several retailers inventory system. Using the well-known METRIC-approximation as a framework, we present a heuristic for finding cost effective base-stock policies. In a numerical study we find that the cost of the policies suggested by the heuristic is on average 0.40% above the cost of the optimal (S – 1,S) policy.

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