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In supply chain, the ordering strategy is one of the main reasons leading to Bullwhip Effect which can induce inventory's fluctuations or excessive inventory. In this paper, we set up a simulation model on the retailer' s demand-driven supply chain by virtue of system dynamics, in which we compare the inventory's behavior mode based on different ordering strategy, whose simulation results testify...
This paper considers a seasonal two echelon supply chain which consists of one supplier and one retailer. The external demand occurring at customer is assumed to follow a SARMA (seasonal autoregressive-moving average) process including marketing action that cannot be deduced from other parameters of the demand process. Both the supplier and the retailer employ order-up-to policy to replenish their...
This paper develops a vendor managed inventory (VMI) dynamics based on the fuzzy arithmetic. The VMI has been used to reduce the "Bullwhip Effect" in supply chain. This research observes and analyzes the phenomena of VMI by system dynamics based on fuzzy arithmetic of the weakest t-norm (TW). The traditional crisp system dynamics has been widely used. However, it is observable that some...
The bullwhip effect in a supply chain seriously decreases the operation efficiency of the supply chain. Information sharing has been used as an important tool to resolve the challenges of supply chain management faced. Firstly, this paper analyzes the causes of bullwhip effect systemically, and then this paper analyzes the value of the information sharing in the a-supplier-multiretailers model. We...
As far as a supply chain management is concerned, the quantitative value of information will redound to coordination among partners in the supply chain and carrying out the strategy of information sharing. A three-level model of supply chain is considered involving one manufacturer, multiple distributors and multiple retailers, and the inventory costs of each partner in the supply chain with and without...
A lot of companies are devoted to the demand information sharing between the retailer and its upstream supplier, which is a heat topic now and so the published documents in this respect are increasing sharply. But there is still few discussions on the benefits of information sharing reducing the bullwhip effects as well as its influential factors. This paper focuses on a quantitative analysis model...
Based on the beer game experiment, this paper aimed to investigate the impact of demand forecasting, order batching and shortage gaming on the supply chain, which involves retailers, distributors and manufacturers being subject to the bullwhip effect. Relational analysis based on the grey system theory is employed to measure the impacts on causes of the bullwhip effect in the presence of both rigid...
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