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Optimal policies for a multi‐echelon inventory system with demand forecasts

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  • Donald L. Iglehart
  • Richard C. Morey

Abstract

Consider an inventory system consisting of two installations, the stocking point and the field. Each period two decisions must be made: how much to order from outside the system and how much to ship to the field. The first decision is made based on the total amounts of stock then at the two installations. Next a forecast of the demand in the current period is sent from the field to the stocking point. Based upon a knowledge of the joint distribution of the forecast and the true demand, and the amounts of stock at the two installations, a decision to ship a certain amount of stock to the field is taken. The goal is to make these two decisions so as to minimize the total n‐period cost for the system. Following the factorization idea of Clark and Scarf (1960), the optimal n period ordering and shipping policy, taking into account the accuracy of the demand forecasts, can be derived so as to make the calculation comparable to those required by two single installations.

Suggested Citation

  • Donald L. Iglehart & Richard C. Morey, 1971. "Optimal policies for a multi‐echelon inventory system with demand forecasts," Naval Research Logistics Quarterly, John Wiley & Sons, vol. 18(1), pages 115-118, March.
    • Handle: RePEc:wly:navlog:v:18:y:1971:i:1:p:115-118
    DOI: 10.1002/nav.3800180112
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