The time-varying demands in a period considered in most of the heuristics in literatures is generally assumed to be less than the basic EOQ in a planning period, and hence the decisions of total replenishment quantity, not the economic order quantity in each planning period, are concerned. This paper focuses on a dependent policy-based heuristic for order quantity problems with time-varying demand. The independent policy, abnormal independent policy and various dependent policies are discussed and compared.
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