Materials requirement planning (MRP) systems have several lot‐sizing rules, of which the periodic order quantity rule is the most widely used in practice. With this rule groups of items are ordered on a common order cycle or frequency. This article presents empirical evidence to show that when the order cycles are set in a geometric progression then they are indeed optimum.
Shah, S. (1991), "Optimum Order Cycles in MRP Form a Geometric Progression", International Journal of Operations & Production Management, Vol. 11 No. 5, pp. 83-87. https://doi.org/10.1108/01443579110139507
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