订货提前期对服务水平决策的影响研究

Study of the Impact of Lead Time on Service Level Decision

在服务水平的研究中,考虑了顾客面临缺货时的选择行为,引入顾客忍耐值,并度量了与顾客等待时间相关的损失,使建立的服务水平模型较传统模型更能真实地反映现实的购买行为.在该模型基础上,分析了订货提前期的变化对服务水平决策的影响,得出了有别于传统模型的结论,为企业在基于时间的竞争中作出恰当的服务水平决策提供了新的思路.算例分析进一步验证了该模型的有效性.

A service level model is presented which reflects the actual purchasing behavior more realistically than traditional models. In the model, the customers＇ selection behavior facing stockout is considered, the concept of Customer Patience Value is introduced and the lost about customer waiting time is measured. Based on the model, the impact of ordering lead time＇s change on the service level decision is analyzed. A conclusion different from traditional models is produced. A new way is put forward for enterprises to lay down right service level decisions in time-based competition. A numerical example is given to illustrate the model.