需求依赖于库存水平下的风险规避型报童模型及供应链协调

发布时间：2018-04-21 17:52

本文选题：需求依赖于库存 + 风险规避型报童模型　；参考：《江苏科技大学》2017年硕士论文

【摘要】：目前,随着需求市场竞争的愈演愈烈,商家们通过各种手段想要刺激消费,通过增加商品库存量以此拉动消费者需求已经是商家们争相追逐的手段,这样的现象也引起了学术界的广泛关注。但是随着市场需求的角逐愈加激烈,商家们对于风险的控制也更加重视,企业在与上下游企业合作过程中非常谨慎,风险控制也成为企业家们关注的焦点。而在目前的供应链管理研究中,对于需求依赖于库存的研究,学者为方便计算往往忽略了供应链系统中各成员的风险态度,这违背了现实情况。因此,在分析前人研究结果的基础上,本文研究需求依赖于库存量的风险规避型报童模型具有重要的理论意义和实际意义。本文将短周期易腐商品作为研究对象,把消费者需求看作是由依赖于库存水平的需求和与商品库存量无关的随机需求扰动项两部分构成,进而构建需求依赖于库存水平下的线性模型以及多项式模型,扩充了经典报童模型的需求信息。与此同时,结合决策者的风险态度,构建改进后的报童模型。在改进后的报童模型中,研究零售商的最优订货策略以及需求依赖于库存水平和风险态度对最佳订购量的影响。除此之外,将本文建立的报童模型作为零售商的行为策略,与一个风险中立型供应商组成供应链系统,寻找能够使供应链系统得到完美优化的协调机制。研究结果表明,当不考虑期末缺货惩罚成本时,需求依赖于库存水平的风险规避型零售商的最佳订购量随需求依赖于库存水平增加而增加,随风险规避程度加深而减少。另外,基于本文构建的报童模型以及供应链系统的组成结构发现,单一的批发价合同不能协调供应链,而合理的回购契约或者收益共享契约都能实现供应链的完美优化。
[Abstract]:At present, with the increasingly fierce competition in the demand market, merchants want to stimulate consumption through various means, and to stimulate consumer demand by increasing the stock of goods has been the means that merchants are chasing after each other. This phenomenon has also aroused the widespread concern of the academic community. However, with the increasingly fierce competition of market demand, businessmen pay more attention to risk control, enterprises are very cautious in the process of cooperation with upstream and downstream enterprises, risk control has become the focus of attention of entrepreneurs. In the current research of supply chain management, for the research of demand dependent on inventory, scholars often ignore the risk attitude of the members in the supply chain system for the convenience of calculation, which is contrary to the reality. Therefore, on the basis of analyzing the previous research results, it is of great theoretical and practical significance to study the risk-averse newsboy model with demand dependent on inventory. In this paper, the short-period perishable goods are regarded as two parts: demand dependent on inventory level and random demand disturbance which is independent of commodity inventory. Furthermore, the linear model and polynomial model of demand dependent on inventory level are constructed, and the demand information of classical newsboy model is extended. At the same time, the improved newsboy model is constructed according to the risk attitude of decision makers. In the improved newsboy model, the optimal ordering strategy of retailers and the effect of demand dependent on inventory level and risk attitude on the optimal order quantity are studied. In addition, the newsboy model proposed in this paper is taken as the behavior strategy of retailers, and a risk-neutral supplier is used to form the supply chain system to find out the coordination mechanism that can make the supply chain system optimize perfectly. The results show that the optimal order quantity of risk-averse retailers whose demand depends on inventory level increases with the increase of demand dependent on inventory level and decreases with the deepening of risk aversion. In addition, based on the newsboy model constructed in this paper and the structure of supply chain system, it is found that a single wholesale price contract can not coordinate the supply chain, and reasonable repurchase contract or revenue sharing contract can achieve the perfect optimization of the supply chain.
【学位授予单位】：江苏科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：F274

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