无限时域下价格与需求相关时的订货问题研究

The Research of Order on Price Correlated with Requirement in the Infinite Horizon

讨论了无限时域下采购商面对价格变化以及需求与价格相关情形下的最优订货问题,在已有文献的基础上,分析了采购商面对价格变化时的决策。分析表明,只有当价格上升时,采购商在拥有最后一次低价采购的机会下才有可能追加订货,从而改变了基本EOQ模型中需求是稳定的情形,而将需求与价格相关联,并用仿真分析了不同的价格上升幅度以及不同的期初库存对订货策略的影响。

Optimum order is analyzed in the infinite horizon when price is changing and correlated with requirement in this paper. On the basis of others＇ research, this paper analyzes purchaser＇s decision-making when price is changing. In the result, purchaser will increase order when he has last low-price purchasing chance, only when price is increasing. It is changed that requirement is stable in EOQ model, otherwise requirement is correlated with price in this paper. And this paper analyzes the effect of various price rising breadth and various starting stock to order strategy with an example.