A vindication of centralized controls in inventory management

A vindication of centralized controls in inventory management

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Article ID: iaor199636
Country: Switzerland
Volume: 58
Issue: 1
Start Page Number: 361
End Page Number: 378
Publication Date: Jul 1995
Journal: Annals of Operations Research
Authors:
Keywords: control
Abstract:

We study here a set of quasi-variational inequalities related to inventory/production stochastic problems. We mainly focus our attention on two subjects: (i) From a theoretical point of view, we compare the advantages of global controls versus a decentralized approach via a model of an inventory serial system wth Gaussian demand. (ii) We consider discretized systems, we solve the simple model of (i), and we apply a similar technique for solving a more complex system with Poissonian demand. The centralized approach naturally leads to large-scale problems; we solve them using a fast algorithm of resolution with very good performances. We conclude with some numerical results.

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