The Coordination and Preference of Supply Chain Contracts Based on Time-Sensitivity Promotional Mechanism

To encourage retailers to submit orders as soon as possible, manufacturers usually launch a time-sensitivity promotional mechanism that the earlier you order, the cheaper the wholesale price will be in advance of the selling season. This paper aims to investigate if the mechanism can improve supply chain performance. A dyadic decentralized supply chain system comprising a single manufacturer and a single retailer is viewed as a research framework. Initially, a benchmark model is proposed to provide a criterion-referenced for coordinating the supply chain in a non-standard distribution environment. Second, a time-sensitive wholesale price contract is constructed to confirm that the mechanism can coordinate the supply chain. However, the retailer accepts the entire forecast risk under the contract. An improved contract called a time-sensitive revenue-sharing contract is constructed based on the notion that the manufacturer shares partial forecast risk. The results show that participants can arbitrarily divide the optimal supply chain’s expected profit between the constructed price contracts; however, two differences exist between the contracts, that is, participants have contract preferences. Finally, a numerical analysis and a few management insights are given.     

生产商回购合同与需求不确定

生产商回购合同已经被广泛看成一种渠道间成员共担风险的一种方式。在生产商回购合同中,生产商决定最优的批发价格ω和回购价格s。在给定ω,s的条件下,零售商决定向生产商最优的订货量Q,本文通过对生产商回购合同的分析,从而得出零售商的最优订货量以及生产商所采取的最优策略。同时给出了生产商使用回购合同的的条件以及分析了市场需求不确定对生产商和零售商的影响。     

Sourcing Decisions with Capacity Reservations under Supply Disruptions

Firms employing both offshore outsourcing and nearshore sourcing strategies may face supply disruption, demand uncertainty, and quality risks simultaneously. Sourcing decisions become inevitably important and complicated when both profit and the customer-service level are taken into consideration. In this paper, we model a scenario where a manufacturer who faces stochastic demand procures major modules from an overseas supplier and two local suppliers. The overseas supplier offers quality products while being susceptible to disruption risks; if the local suppliers, who are completely reliable and serve as a backup, offer products that are of inferior quality, it may result in lower market acceptance and a bad experience for the final customers. The manufacturer has to reserve capacity with backup suppliers before urgent orders are placed, when the primary source experiences a shortfall. We explicitly derive the manufacturer’s optimal order quantities and reservation quantities, which are functions of the heterogeneous suppliers’ wholesale prices, reservation prices, and other parameters. The impacts of the fill-rate constraint and customer-experience quality constraint on the manufacturer’s purchasing decisions are investigated. Interesting managerial insights on the merits of backup sourcing with capacity reservations for managing demand uncertainties and supply disruption risks are also discussed.     

考虑强势零售商压价和投资行为的供应链协调

中国流通产业的零供矛盾日益凸显,针对强势零售商的压价问题构建博弈模型并分析其对供应链协调的影响。在由单制造商和单零售商构成的二级供应链中,考虑零售商在主导产品零售价格的同时,通过增加广告投入或提高服务水平等市场投资措施刺激产品需求,探讨当零售商运用其较强的议价能力对制造商提出的批发价进行强制压价时,双方如何通过合作博弈寻找最佳策略。发现在一定的条件下,强势零售商的压价行为不仅可以提升品牌商誉,更能帮助实现供应链协调。     

不对称信息的供应链激励机制研究

研究由单个制造商和单个零售商组成二级供应链,基于市场需求是线性的,且受价格与销售努力的影响。首先,研究在对称信息下,集中模式和分散模式两种情况下的供应链,求出制造商和零售商使得利润达到最优时的最优批发价及销售价;其次,研究了在信息不对称情况下,制造商的机制设计问题,得到了制造商激励批发价的表达式以及零售商的最优零售价的公式;最后利用实例仿真对模型进行分析,结果表明该激励机制对整个供应链的收益有改善作用。     

Supply chain decisions and coordination in the presence of an imperfect spot market

This study considers a supply chain consisting of a commodity supplier and a final product manufacturer with uncertain demand. In addition to purchasing from the supplier through a forward contract, the manufacturer can adjust their inventory by trading the commodity in an online spot market after observing the actual demand. However, the spot market is imperfect in that transactions cannot be certainly realized and come with additional transaction costs. Furthermore, the spot price is volatile such that overly relying on the spot market is unwise. To investigate how the spot market affects the decisions and coordination in a supply chain, we develop a game-theoretical model incorporating spot trading. We derive the optimal ordering decision in a centralized supply chain, as well as the supplier's and manufacturer's equilibrium pricing and ordering decisions in a decentralized supply chain. The impact of the imperfect spot market on the optimal decisions and profits is analyzed. This study also demonstrates how the supply chain can be coordinated in the presence of an imperfect spot market. Finally, a numerical analysis is performed to examine the analytical results. Our results indicate that the spot market can generally improve the performance of the centralized supply chain and benefit the manufacturer in the decentralized one. However, it can be detrimental to the supplier. The supply chain can be coordinated by a revenue-sharing contract, and both parties' profits can be improved. Our findings suggest that the manufacturer could take advantage of the spot market, and the supplier should attempt to integrate or coordinate the supply chain to share the benefits of spot trading.     

两级供应链契约协调研究

在批发价格契约的基础上,建立了供应链主体的决策模型,根据剩余产品在不同主体处残值的大小,合理选择产品的出清方式,从而达到供应链整体最优,发现只有当剩余产品在供应商处的残值大于在零售商处的残值时,供应链才能实现整体最优,从而达到供应链协调,并通过回购契约实现利润的分配。     

基于信息不对称的损失厌恶供应链博弈研究

考虑制造商不知道零售商的损失厌恶信息,基于Stackelberg博弈方法,研究损失厌恶信息不对称对企业决策、企业之间的博弈关系、企业与供应链绩效的影响。算例结果表明,如果制造商高估零售商的损失厌恶程度,导致制造商的批发价格下降、零售商的订货量增加,对零售商有利,但对制造商不利;反之,如果制造商低估零售商的损失厌恶程度,导致制造商的批发价格增加、零售商的订货量下降,对制造商与零售商都不利。所以,零售商希望制造商高估零售商的损失厌恶程度,而制造商希望准确估计零售商的损失厌恶程度,该结论符合人们的直觉判断。     

Pricing policy and coordination for a two-layer supply chain of duopolistic retailers and socially responsible manufacturer

This paper explores channel coordination and profit distribution in a two-layer socially responsible supply chain that consists of a manufacturer and two competitive retailers. In manufacturer-Stackelberg game setting, the manufacturer exhibits corporate social responsibility and the retailers play Cournot and Collusion games. Besides comparing the optimal decisions of the retailers two game behaviours, the paper analyses the effects of social responsibility on the optimal decisions. It is found that two-part tariff contract resolves channel conflict and provides win–win outcome for a specific range of the franchise fee and it is always possible to find a particular profit split using Nash bargaining product. With increasing social responsibility of the manufacturer, the coordinated wholesale prices of the manufacturer may be both decreasing or ‘U’ shaped and decreasing when the market potentials of the retailers are almost the same or significantly different. Also, at least one coordinated wholesale price is less than the manufacturer's marginal cost. The proposed model is illustrated by a numerical example.     

考虑产品替代和环保水平的供应链优化与协调

针对由单个制造商和单个零售商构成的供应链,考虑制造商生产两种碳足迹不同的可替代的产品,建立供应链优化决策模型,确定最优的产品环保水平与销售价格,提出供应链系统的协调机制.分析了产品之间不同的替代程度对均衡解和各成员利润的影响,并进一步讨论了收益共享契约对于提高供应链环境的作用.研究表明,产品环保水平竞争强度的增加会带来供应链成员利润的增加而价格竞争强度的增加会带来供应链成员利润的减少.集中式决策不仅有利于供应链利润的提高,而且有利于供应链环境的改善.当消费者对产品之间环保水平的敏感程度较高时,收益共享契约的协调效果较好.     

闭环供应链回收渠道的选择——以价格为决策变量的博弈分析

基于单一制造商和单一零售商构成的闭环供应链系统，以产品批发价和回收转移价格为制造商的决策变量，市场回收价为回收方的决策变量，对不同回收模型进行了博弈分析，得到闭环供应链成员的最优定价策略和最终利润，并进一步对不同回收成本下制造商的最优选择进行了分析。     

Wholesale price discrimination: Innovation incentives and upstream competition

In intermediate good markets where there are alternative supply sources, wholesale price discrimination may enhance innovation incentives downstream. We consider a vertical chain where a dominant firm and a competitive fringe supply imperfect substitutes to duopoly retailers which carry both varieties. We show that a ban on price discrimination by the dominant supplier makes uniform pricing credible and reduces retailers’ incentives to decrease the cost of acquiring the competitively supplied variety, leading to higher upstream profits and lower downstream welfare. Our analysis complements existing results by identifying a novel channel through which wholesale price discrimination can improve dynamic market efficiency.     

供应不确定下基于Supply-hub的供应商选择和库存协同决策

针对由供应商、Supply-hub和制造商组成的三级供应链的多产品供应商选择和库存协同问题,考虑供应商存在延迟交付风险、供应数量约束,以供应链运作成本最小为目标,构建整数规划模型。分析结果表明:在一定的条件下,总存在最优的供应商选择方案和库存策略;当供应商的延迟交付概率增加,供应链期望成本上涨;当供应商供应数量无限制时,减少最优订货批量可以弱化供应不确定性增加造成的影响;当供应商选择方案不变,订货提前期增加,供应链的运作成本以及最优订货批量不变;一种零部件提前期的变化不影响其他零部件的供应商选择和库存策略。     

Supply chain finance and impacts of consumers’ sustainability awareness

Several new methods have been proposed for supply chain finance (SCF) with bank credits, but none of them mentions how to solve the borrowers’ moral hazard problems in SCF. This paper examines the moral hazard problem in supply chain financing with procurement contract (or purchase order). We show that since supply chain is an up-down directed structure, when financing with the procurement contract, the supplier’s effort monitoring task can be rendered to the procurement contract, which can secure the supplier’s optimal effort and capital choices in production. Hence, compared to separate lending, the supplier’s credit rationing problem can be mitigated, and most importantly, banks’ under-estimation on the supplier’s default risk and the over-estimation on the retailer’s default risk will both decrease. We further show that the retailer’s corporate social responsibility expenditure can increase consumers’ brand recognition, thus when facing demand shocks arising from consumer’s unexpected concerns, the retailer can better stabilize the firm value.     

基于订单生产的供应链价格与承诺交货时间决策和协调

针对订单生产需求受价格和承诺交货时间影响以及延期现象,建立由生产商和销售商组成的供应链价格与承诺交货时间决策模型。研究表明:最优承诺交货时间绑定在服务水平上,提高服务水平可以降低双重边际化效应;相对于集中决策,分散决策采用较高的价格和较短的承诺交货时间,其最优利润和最优需求较少;此外,采用收益分享方式构建了供应链协调模型,得出销售商收益分享比例处于某一范围内才能实现供应链的协调。     

供应商参与产品创新的供应链协调研究

考虑供应商对产品创新的投入会影响未来需求,分析了初始需求为确定型和随机型两种情况下,供应商的最优创新投入策略和制造商的最优订货策略,给出了实现供应链协调的条件。研究表明,在确定初始需求下,要实现供应链的协调,只需要制造商给予创新失败的供应商一定的创新补贴;而在随机初始需求下,创新补贴与其他机制同时使用才能实现供应链协调。     

基于外包的生产能力不足的供应链协调模型

文章以一个供应商与一个零售商组成的供应链为研究对象。其中,供应商生产产品的能力小于零售商的年需求量,此时供应商可以把自己缺失的这部分产品以一定价格外包给一个外部生产商,然后再把外包生产的产品重新供应给零售商,假设外部生产商允许原供应商货款延期支付一段时间。文章分别研究了在无外包与有外包协调两种情况下供应链的最优利润模型,并对协调前后利润进行了比较．结果表明外包可以提高供应链的利润,并且外包也是从供应链协调的观点解决供应能力不足的一个有效方法。同时还给出了根据延期支付时间来决策外包比例的条件。     

基于损失规避型零售商的供应链协调契约研究

在现代市场竞争日趋激烈的环境下,企业决策者的行为偏好对企业的成败有重大的影响。文章在前景理论的基础上,考虑损失规避型零售商与风险中性的供应商组成的供应链系统。在零售商面临需求受价格影响的前提下,在批发价格契约下分析损失规避特性对决策者行为的影响,最后通过价格补贴契约实现供应链的协调。     

基于渠道竞争的双渠道供应链低碳协调策略

针对由一个制造商和一个零售商构成的双渠道供应链,将渠道竞争和产品的低碳性能引入消费者的非线性需求中,通过构建制造商为主导者的Stackelberg博弈模型,对比分析了分散决策和集中决策下的最优定价、碳排放水平和成员利润,并采用价格折扣-成本分摊契约实现了供应链的协调。研究结果表明:在分散决策和集中决策两种情况下,渠道竞争程度的增加均会造成碳排放水平、供应链利润和消费者效用的降低;集中决策下的直销价格大于分散决策下的直销价格,集中决策下的零售价格小于分散决策下的零售价格。最后通过算例验证了以上结论和协调机制的有效性。     

Decentralized Supply Chain Decisions on Lead Time Quote and Pricing with a Risk‐averse Supplier

We consider a decentralized supply chain containing a risk‐averse supplier and a risk‐neutral retailer with lead time‐sensitive and price‐sensitive demands. A Stackelberg game is employed to model the lead time quote and pricing decision process between the two members under the conditional value‐at‐risk criterion. A unique equilibrium is obtained. Using the corresponding centralized mode as a benchmark, we find that a less risk‐averse supplier is better to cooperate and share risk with the retailer to improve the entire supply chain's efficiency. With a uniformly distributed realized lead time, the impact of the supplier's risk aversion on the decisions can be characterized by a few threshold values of the late delivery penalty cost. In particular, when the unit delay penalty cost exceeds a certain level, a more risk‐averse supplier will counter‐intuitively quote a shorter lead time by risking a higher delay penalty cost. Copyright © 2016 John Wiley & Sons, Ltd.