Optimizing inventory decisions in a multi-stage supply chain under stochastic demands

In this paper we consider the case of a three-stage non-serial supply chain system. This supply chain system involves suppliers, manufactures, and retailers. Production and inventory decisions are made at the suppliers and manufactures levels. The production rates for the suppliers and manufactures...

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Bibliographic Details
Published in:Applied mathematics and computation 2008-12, Vol.206 (2), p.538-542
Main Authors: Seliaman, M.E., Ahmad, Ab Rahman
Format: Article
Language:English
Subjects:
Calculus of variations and optimal control
Exact sciences and technology
Inventory
Mathematical analysis
Mathematics
Numerical analysis
Numerical analysis. Scientific computation
Numerical methods in mathematical programming, optimization and calculus of variations
Optimization
Sciences and techniques of general use
Stochastic model
Supply chain
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Summary:In this paper we consider the case of a three-stage non-serial supply chain system. This supply chain system involves suppliers, manufactures, and retailers. Production and inventory decisions are made at the suppliers and manufactures levels. The production rates for the suppliers and manufactures are assumed finite. In addition the demand at each end retailer is assumed to be stochastic. The problem is to coordinate production and inventory decisions across the supply chain so that the total cost of the system is minimized. For this purpose, we develop a model to deal with different inventory coordination mechanisms between the chain members. We present a numerical example for illustrative purposes.
ISSN:0096-3003
1873-5649
DOI:10.1016/j.amc.2008.05.057