A simulation analysis of dynamic inventory policies in a generalized stochastic environment

  • Authors:
  • John E. Hebert;Richard F. Deckro

  • Affiliations:
  • -;-

  • Venue:
  • WSC '77 Proceedings of the 9th conference on Winter simulation - Volume 2
  • Year:
  • 1977

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Abstract

This paper presents a simulation-based comparative analysis of several of the more prominent inventory lot-sizing models under multivariate stochastic conditions. Specifically included as stochastic system variables are lead time variation, demand forecast error, and inflation rate. The six rules, classic EOQ, periodic order quantity, least unit cost, part-period balancing, lot for lot, and Wagner-Whitin, are adjusted to deal with a dynamic situation. Each dynamic lot-sizing rule was simulated for a period of three years with each stochastic variable introduced at three levels. The results were then analyzed on the basis of a complete factorial design and, secondly, as a series of randomized block designs.