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1.
回购契约下闭环供应链对突发事件的协调应对   总被引:9,自引:1,他引:8  
在回购契约下,可以实现闭环供应链的协调。然而突发事件发生造成零售商面临的需求分布变化时,闭环供应链的销售活动将受到影响,闭环供应链的协调将被打破;但是闭环供应链的废旧品回收活动却不受突发事件的影响。为此,给出了闭环供应链对突发事件的最优应对策略,并调整了原来的回购契约使其能协调应对突发事件,并且使调整后的回购契约也能实现突发事件前闭环供应链的协调。  相似文献
2.
具有产品回收的闭环供应链差别定价策略研究   总被引:7,自引:0,他引:7  
研究一个制造商与一个销售商组成的具有产品回收的闭环供应链差别定价问题.利用博弈理论对几种差别定价模型进行了分析,得到了闭环供应链成员的最优定价策略和最终利润.进一步对几种模型的效率进行了分析,发现分散式决策使得整个闭环供应链利润损失了25%,最后提出一种收益共享协调差别定价策略,使得分散式闭环供应链的效率与集成式闭环供应链效率等同.  相似文献
3.
需求不确定性对闭环供应链系统决策的影响分析   总被引:1,自引:0,他引:1  
在由一个制造商与一个销售商组成的闭环供应链系统中,构建了市场需求不确定环境下废旧产品回收率为外生变量和零售商决策变量两种情形的闭环供应链系统决策模型,并通过数值仿真得到了各模型供应链成员的最优定价和订货策略以及最终利润,进一步分析了两种情形下市场需求不确定性对零售商、制造商决策行为及利润的影响,最后对两种情形进行了对比分析.  相似文献
4.
存在价格差异的闭环供应链定价策略及契约协调   总被引:1,自引:0,他引:1  
以零售商回收模式为对象,采用博弈论方法,研究再制造产品与新产品存在销售价格差异以及废旧产品存在回收价格差异时闭环供应链的定价策略及契约协调问题。对闭环供应链系统在分散决策和集中决策下的定价模型进行了分析,得到了系统各成员的最优定价策略和利润,发现分散决策会造成系统效率的损失。为此提出一种改进的特许经营费用契约对闭环供应链进行协调,使得闭环供应链系统不仅消除了"双重边际化"的问题,而且实现了完美协调。算例分析验证了定价策略及契约协调机制的有效性。  相似文献
5.
In this paper, we consider a closed-loop supply chain (CLSC) with product recovery, which is composed of one manufacturer and one retailer. The retailer is in charge of recollecting and the manufacturer is responsible for product recovery. The system can be regarded as a coupling dynamics of the forward and reverse supply chain. Under different decision criteria, two noncooperative game models: Stackelberg game model and peer-to-peer game model are developed. The dynamic phenomena, such as the bifurcation, chaos and sensitivity to initial values are analyzed through bifurcation diagrams and the largest Lyapunov exponent (LLE). The influences of decision parameters on the complex nonlinear dynamics behaviors of the two models are further analyzed by comparing parameter basin plots, and the results show that with the improvement of retailer’s competitive position, the CLSC system will be more easier to enter into chaos.  相似文献
6.
We consider a two-period closed-loop supply chain (CLSC) game where a remanufacturer appropriates of the returns’ residual value and decides whether to exclusively manage the end-of-use product collection or to outsource it to either a retailer or a third-service provider (3P). We determine that the manufacturer outsources the product collection only when an outsourcee performs environmentally and operationally better. On the outsourcees side there is always an economic convenience in managing the product returns process exclusively, independently of returns rewards and operational performance. When outsourcing is convenient, a manufacturer always chooses a retailer if the outsourcees show equal performance. Overall, the manufacturer is more sensitive to environmental performance than to operational perfomance. Finally, there exists only a small region inside which outsouring the collection process contributes to the triple bottom line.  相似文献
7.
This article reports the results of a study that explores the decisions of reverse channel choice in a fuzzy closed-loop supply chain. Specifically, a manufacturer produces new products by using original components or by remanufacturing used products and wholesales the new products to the retailer who then sells them to the consumers. The used products are collected by the manufacturer or the retailer or a third party. The primary goal of this paper is to investigate the implications of three different used-product collection modes on the decisions of the manufacturer, the retailer, and the third party, and on their own profits in the expected value model. By using game theory and fuzzy theory, the firms optimal strategies are obtained.  相似文献
8.
A closed-loop supply chain is a complex system in which node enterprises play important roles and exert great influence. Firstly, this paper established a collecting price game model for a close-loop supply chain system with a manufacturer and a retailer who have different rationalities. It assumed that the node enterprises took the marginal utility maximization as the basis of decision-making. Secondly, through numerical simulation, we analyzed complex dynamic phenomena such as the bifurcation, chaos and continuous power spectrum and so on. Thirdly, we analyzed the influences of the system parameters; this further explained the complex nonlinear dynamics behavior from the perspective of economics. The results have significant theoretical and practical application value.  相似文献
9.
A closed-loop supply chain (CLSC) network consists of both forward and reverse supply chains. In this paper, a CLSC network is investigated which includes multiple plants, collection centres, demand markets, and products. To this aim, a mixed-integer linear programming model is proposed that minimizes the total cost. Besides, two test problems are examined. The model is extended to consider environmental factors by weighed sums and ε-constraint methods. In addition, we investigate the impact of demand and return uncertainties on the network configuration by stochastic programming (scenario-based). Computational results show that the model can handle demand and return uncertainties, simultaneously.  相似文献
10.
We deal with long-term demand-driven capacity planning policies in the reverse channel of closed-loop supply chains (CLSCs) with remanufacturing, under high capacity acquisition cost coupled with uncertainty in actual demand, sales patterns, quality and timing of end-of-use product returns. The objective is to facilitate the decision-making when the management faces the dilemma of implementing either a strategy of early large-scale investments to benefit from economies of scale and capacity readiness, or a flexible strategy of low volume but more frequent capacity expansions. We consider a CLSC with two sequential product-types. We study the system’s response in terms of transient flows, actual/desired capacity level, capacity expansions/contractions and total supply chain profit, employing a simulation-based system dynamics optimization approach. Extensive numerical investigation covers a broad range of real-world remanufacturable products under alternative scenarios in relation to the market preference over product-types. The key findings propose flexible policies as improved alternatives to large-scale capacity expansions/contractions in terms of adaptability to the actual pattern of end-of-use product returns and involved risk in the investments’ turnover. Flexible policies are also proposed as practices to avoid overcapacity phenomena in collection and remanufacturing capacity and as robust policies to product demand. Their implementation is revealed to be even more important for the case of remanufacturing, when a high capacity acquisition unit-cost ratio (remanufacturing/collection) is coupled with strong economies of scale. Finally, results under different information sharing structures show changes in remanufacturing policies, thus justifying the importance of coordination between the decision-maker and the distributor.  相似文献
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