生鲜类产品的订货与促销联合决策研究

On the Joint Ordering-Promotion of Fresh Products

针对零售业生鲜类产品库存和销售问题,本文研究了单周期生鲜产品库存促销联合决策问题,建立了订货促销联合决策模型,零售商确定初始采购量、促销开始时机和促销力度使其收益最大化,给出了最优决策的迭代算法。通过数值仿真算例,分析了变质率、开始变质的时间、新鲜度对决策变量及收益的影响。分析结果表明,产品变质率越小,开始促销的时间越晚;开始变质的时间越晚,开始促销的时间越晚;产品越容易保鲜,开始促销的时间越晚。该研究对生鲜类产品的存储和销售具有一定的参考价值。

For fresh product inventory and sales of retail business,meanwhile,freshness is an important factor for the promotion of products,so the inventory and promotion of fresh products are significant strategies for retailers.In this paper,the joint strategy of the single cycle fresh product about inventory and promotion is considered,and the order promotion joint decision model is established.By the initial procurement,promotion starting time,discount sales promotion efforts,iterative method of best strategy is obtained and retailers get the maximum benefits.Through numerical simulation example,the paper analyzes the effects on the objective function and decisions which are exerted by the changes of parameters of deteriorating rate,the starting time of the metamorphic and the bottom value of freshness.The results show that the smaller deterioration rate is,the later promotion starting time is;the later deterioration starting time is,the earlier promotion starting time is;the bigger freshness is,the later promotion starting time is.The study of fresh products storage and sales has a certain reference value.