© 1976 by British Computer Society
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A formula for establishing re-order quantities for individual items within a joint stock replenishment scheme
144 Hemingford Road, Islington, London, UK
A joint stock replenishment policy is an inventory control strategy under which groups of itemssay, from a single supplierare jointly re-ordered on a single order. There are many inventory situations where this is important. An economic order quantity is then fixed not for individual items, but for the item group as a whole. This leaves the problem of how much to order of any individual item within such a group. Simple proportioning methods will tend to maintain existing imbalances in the stock or can lead to over-ordering. This paper derives a practical formula, which applies to all situations, always orders the correct amount and will tend to continuously balance stocks.
Received October 1975.