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作者：Deng, Tianhu; Shen, Zuo-Jun Max
作者单位：University of California System; University of California Berkeley
摘要：Several design guidelines and flexibility indices have been developed in the literature to inform the design of flexible,production networks. In this paper, we propose additional flexibility design guidelines for unbalanced networks, where the numbers of plants and products are not equal, by refining the well-known Chaining Guidelines. We study symmetric networks, where all plants have the same capacity and product demands are independent and identically distributed, and focus mainly on the ca...
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作者：Li, Cuihong; Zhang, Fuqiang
作者单位：University of Connecticut; Washington University (WUSTL)
摘要：This paper studies the preorder strategy that a seller may use to sell a perishable. product in an uncertain market with heterogeneous consumers. By accepting preorders, the seller is able to obtain advance demand information for inventory planning and price discriminate the consumers. Given the preorder option, the consumers react strategically by optimizing the timing of purchase. We find that accurate demand information may improve the availability of the product, which undermines the selle...
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作者：Ibrahim, Rouba; L'Ecuyer, Pierre
作者单位：University of London; University College London; Universite de Montreal
摘要：We consider different statistical models for the call arrival process in telephone call centers. We evaluate the forecasting accuracy of those models by describing results from an empirical study analyzing real-life call center data. We test forecasting accuracy using different lead times, ranging from weeks to hours in advance, to mimic real-life challenges faced by call center managers. The models considered are (i) a benchmark fixed-effects model that does not exploit any dependence structu...
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作者：Ceryan, Obert; Sahin, Ozge; Duenyas, Izak
作者单位：University of Michigan System; University of Michigan; Johns Hopkins University
摘要：Firms that offer multiple products are often susceptible to periods of inventory mismatches where one product may face shortages while the other has excess inventories. In this paper, we study a joint implementation of price- and capacity-based substitution mechanisms to alleviate the level of such inventory disparities. We consider a firm producing substitutable products via a capacity portfolio consisting of both product-dedicated and flexible resources and characterize the structure of the ...
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作者：Hyndman, Kyle; Kraiselburd, Santiago; Watson, Noel
作者单位：Maastricht University; Southern Methodist University; Universidad Torcuato Di Tella; INCAE Business School
摘要：We study the problem of a two-firm supply chain in which firms simultaneously choose a capacity before demand is realized. We focus on the role that private information about demand has on firms' ability to align their capacity decisions. When forecasts are private information, there are at most two equilibria: a complete coordination failure or a monotone equilibrium. The former equilibrium always exists, whereas the latter exists only when the marginal cost of capacity is sufficiently low. W...
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作者：Vairaktarakis, George L.
作者单位：University System of Ohio; Case Western Reserve University
摘要：Consider a set of manufacturers, all of which can subcontract part of their workload to a third party. For simplicity, we assume that every manufacturer as well as the third party each possess a single production facility. Each manufacturer has to decide the amount of workload to be subcontracted so as to minimize the completion time of his in-house and subcontracted workloads. In an effort to provide good service to all, the third party gives priority to manufacturers whose subcontracted work...
