The Research Of Ordering Strategy Considering Lead Time With Permissible Delay In Payment

In the increasingly rapid development of market economy,the main subject of market competition is changed from the enterprises to the entire supply chain.Along with the change of the competition main subject,supply chain finance has been developing rapidly,because more efficient capital utilization increase the market competitive advantage,and maintain or expand its market position.Atually in the business transactions,the ratio of internal financial utility in supply chain is higher and higher.Internal financial in supply chain knwn as delay in payment,which is a way of short-term credit between retailers and suppliers,is a important way for supplier reducing the inventories and retailers increasing the utilization of funds.In addition,the increasing competition also requires companies achieve dominance with the lower cost and the higher efficiency.In the implementation and operation of supply chain management,If we emphasize inventory management and reducing inventory costs,lead time is a very significant data and even a cornerstone in supply chain management that we should considering.Lead time is the length of time which is the upstream suppliers demand of preparing ahead if the middle and downstream customers order some products in the supply chain.Based on this,the article wants to study the retailers ordering strategy considering delaying in payment and lead time.This paper focuses on the theme "inventory and ordering stratege ".The first chapter illustrates the present research background,points out the significance of this study,through elaborate research content and research methods to show the feasibility of this study.The second chapter through systematic literature review about the lead time and delaying in payment on the inventory stratedge of retailers affects,in order to point out the internal logic of the relationship between the two,and then explain the significance of this study.The third chapter studies when the suppliers provide retailers credit period that the suppliers offer a preferential policy of delaying in payment for a certain period of time to retailers,the retailers ordering strategy in a fixed lead time,which is how to determine the retailer's ordering time and quantity of goods in a fixed lead time.The fourth and fifth chapters from the point of therandom lead time,to research how the random lead time affect retails' ordering strategy.The forth chapter mainly research the retails' optimal ordering time and quantity under random lead time,the fifth chapter mainly studies when the lead time is random but can be controlled,the retailers' optimal ordering time and quantity.Finally,the paper summarizes the content and conclusions of the study,and points out the weakness of studying,finally looks to the future research directions.On the one hand,in view of the retailers' own interest received and the time that supplier permit delaying in payment directly affecting retailers' ordering strategy,this paper study,retailers' optimal ordering stratedge when the retailers are permitted delaying in payment,according to using the characteristics of retailer's inventory system dynamic,interest received rates and the trade credit period to esblish corresponding economic order quantity model and analyze cost function of retailers.On the orther hand,because of the existence of lead time,I put the fixed and random lead time into the retailer's cost model,which considering the affection of fixed and random lead time on the retailers' ordering point and inventory cycle of products,eatablish a fuction of time and inventory costs,and then introduce it to the retailer cost function under delaying in payment.Finally according to the corresponding economic order quantity model,analyze the optimal order strategy.