Vim Case Study

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The incentive issues in VMI contractual agreements are also studied in VMI literature. Fry, apuscinski and Olsen (2001) model a specific (z,Z)-type of VMI agreement in a supply chain environment with a single manufacturer and a single retailer with stochastic demand and compare the VMI system with a traditional case under full information sharing. In this type of contract, the retailer sets the inventory levels, z and Z, that represent the lowest and highest inventory levels, respectively. The manufacturer should keep the retailer’s inventory level between these specified levels. The manufacturer follows a fixed production schedule, but can replenish the retailer in any period and she incurs a penalty cost if she cannot keep the retailer’s …show more content…

A supply chain may be very close to a centralized system depending on the performance of the VMI agreement between the supplier and the retailer. The effects of VMI agreements to the coordination of the supply chain is studied in the literature. Cachon (2001) studies VMI in a supply chain with a single supplier-multiple retailers. He analyzes various strategies with the aim of channel coordination. He employs game theory to find the equilibrium for each member of the supply chain. Cachon (2001) remarks that “VMI alone does not guarantee an optimal supply-chain solution; both the vendor and retailers must also agree to make fixed transfer payments to participate in the VMI contract, and then be willing to share the benefits.” Bernstein, Chen and Federgruen (2006) study a partially centralized VMI model. For the supply chain a replenishment strategy is determined. They find that when the demand rate is constant and a single retailer retains the decision rights on pricing, the channel coordination can be achieved. In their supply chain environment, the supplier incurs holding costs of the retailer. Therefore, their system considers consignment inventory with VMI. Dong and Xu (2002) analyze the different impacts of a VMI program on a supply channel in terms of total chain cost and supplier‟s cost. The purchasing price is set by the retailers in the contract; however the selling quantity is determined by the supplier in their model. They find that total chain cost is reduced by VMI, but the profit of the supplier could decrease under some certain conditions. They argue that VMI is an effective strategy that can realize many of the benefits obtainable only in a fully integrated supply channel. Narayanan and Raman (1997) and Fry, Kapuscinski and Olsen (2001) also analyze VMI agreements under stochastic demand and discuss centralization. One aim of our study is to analyze the benefits of the VMI agreement on the

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