The Optimality of (s, S) Policies for a Stochastic Inventory Problem with Proportional and Lump-Sum Penalty Cost


In this paper we consider a single product multi-period inventory problem for which the penalty cost consists of two parts, a lump-sum portion which is independent of the size of the shortage and a portion which is linear in the size of the shortage. We show that for all nonincreasing demand density functions, the expected total cost function is K-convex and hence, there is an optimal policy for the n-period problem that is (s, S).inventory/production: stochastic models, inventory/production: planning horizons

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Research Papers in Economics

Last time updated on 06/07/2012

This paper was published in Research Papers in Economics.

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