允许延期支付条件下考虑营销投入水平的退化性商品库存模型

Determine Optimal Marketing Investment Level and Lot Sizing Policy for Deteriorating Products under the Condition of Permissible Delay in Payments

针对退化性商品,在上游供应厂商提供一定的信用期限,允许延期支付的条件下,从下游厂商的角度出发,探讨其如何制定最优的营销投入水平和订货策略,以实现年净利润的最大化。给出了这一问题的求解算法,并且通过数值研究分析了需求对营销投入敏感性的变化、信用期限的改变以及商品退化率的变化对厂商最优策略和年净利润的影响。

This paper deals with the problem of determining the firm＇s optimal marketing investment level and ordering policies simultaneously for deteriorating items under the condition of permissible delay in payments, in order to maximize its annual net profit. In this article we develop an algorithm to solve this problem. Also, the effect of sensitivity of demand on marketing investment, credit period length and deteriorating rate on the firm＇s optimal strategy and profit is examined.