延期支付情况下易逝品的订货策略

Order Strategy of Perishable Items under Condition of Permissible Delay in Payments

针对零售商的自身收入利息率及供应商所能允许的延期支付期限直接影响其对易逝品的库存管理策略问题,研究了在供应商允许延期支付的情况下,零售商对易逝品的订货策略,并根据零售商库存系统的动态特性、收入利息率及延期支付期限的特点,建立了相应的经济订货批量模型,分析利润函数性质得到了最优订货策略,并给出数值算例。研究结果表明,零售商的收入利息率是影响订货的敏感因素。

The inventory management of perishable items is directly affected by the retailer＇s income interest rate and the pe-riod of deferred payment allowed by the supplier.The order strategy of perishable items was studied under the condition of per-missible delay in payments.Appropriate EOQ models were established based on the dynamic characteristics of inventory system as well as the income interest rate and the period of deferred payment.The optimal order policies were obtained by analyzing the nature of the profit function, and then the effectiveness of the proposed method was verified by numerical calculation.Results show that the order strategy is sensitive to retailers＆#39;income interest rate.