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作者：Galbreth, Michael R.; Blackburn, Joseph D.
作者单位：University of South Carolina System; University of South Carolina Columbia; Vanderbilt University
摘要：The condition of the used items acquired by remanufacturers is often highly variable, and sorting is an important aspect of remanufacturing operations. Sorting policies-the rules specifying which used products should be remanufactured and which should be scrapped-have received limited attention in the literature. In this paper, we examine the case of a remanufacturer who acquires unsorted used products as needed from third party brokers. As more used items are acquired for a given demand, the ...
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作者：Kouvelis, Panos; Chambers, Chester; Wang, Haiyan
作者单位：Washington University (WUSTL); Southern Methodist University
摘要：We reviewed the manuscripts focused on Supply Chain Management that had been published in Production and Operations Management (POM) over roughly 15 years (1992 to 2006). The manuscripts covered dealt with topics including supply chain design, uncertainty and the bullwhip effect, contracts and supply chain coordination, capacity and sourcing decisions, applications and practice, and teaching supply chain management. In the process of this review, we highlight the significant contribution of PO...
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作者：Treleven, Mark D.; Watts, Charles A.; Penlesky, Richard J.
作者单位：University System of Ohio; John Carroll University
摘要：This paper examines the impact of inaccuracies in the estimation of processing times on the performance of dispatching rules in dual-resource-constrained and machine-limited job shops. Four distributions of estimation errors are examined in eight different simulated shop environments representing DRC and ML job shops with different labor utilization levels and dispatching rules. A unique approach to setting total-work-content-based due dates is introduced and recommended as more appropriate th...
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作者：Anderson, Edward G., Jr.; Morrice, Douglas J.; Lundeen, Gary
作者单位：University of Texas System; University of Texas Austin
摘要：Motivated by an oilfield services industry case study, we investigate the dynamic behavior of customized service supply chains by developing a two-stage serial staffing model. Each stage holds no finished goods inventory, but rather only backlogs that can be managed by adjusting staffing levels. We develop optimal control policies to balance backlog costs against hiring and firing personnel costs-assuming shared backlog information-under both centralized and decentralized control. We examine w...
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作者：Yeung, Andy C. L.; Cheng, T. C. Edwin; Lai, Kee-hung
作者单位：Hong Kong Polytechnic University
摘要：Although Total Quality Management (TQM) is widely touted as a management paradigm that will enable firms to gain a competitive advantage, many practitioners report that TQM programs fail to live up to their expectations. There is an on-going debate over the effectiveness of TQM in the literature. This study investigates a number of controversial benefits of TQM. We seek to determine if TQM is generally beneficial to the firms that adopt it, and if these firms gain operational efficiency over t...
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作者：Bakal, Ismail Serdar; Akcali, Elif
作者单位：State University System of Florida; University of Florida; State University System of Florida; University of Florida
摘要：In this study, we investigate the effects of recovery yield rate on pricing decisions in reverse supply chains. Motivated by the automotive parts remanufacturing industry, we consider an end-of-life product from which a particular part can be recovered and remanufactured for reuse, and the remainder of the product can be recycled for material recovery. Both the supply of end-of-life products and demand for remanufactured parts are price-sensitive. Yield of the recovery process is random and de...
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作者：Chambers, Chester; Kouvelis, Panagiotis
作者单位：Southern Methodist University; Washington University (WUSTL)
摘要：We perform an analysis of various queueing systems with an emphasis on estimating a single performance metric. This metric is defined to be the percentage of customers whose actual waiting time was less than their individual waiting time threshold. We label this metric the Percentage of Satisfied Customers (PSC.) This threshold is a reflection of the customers' expectation of a reasonable waiting time in the system given its current state. Cases in which no system state information is availabl...
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作者：Ferguson, Mark E.; Toktay, L. Beril
作者单位：University System of Georgia; Georgia Institute of Technology
摘要：Manufacturers often face a choice of whether to recover the value in their end-of-life products through remanufacturing. In many cases, firms choose not to remanufacture, as they are (rightly) concerned that the remanufactured product will cannibalize sales of the higher-margin new product. However, such a strategy may backfire for manufacturers operating in industries where their end-of-life products (cell phones, tires, computers, automotive parts, etc.) are attractive to third-party remanuf...
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作者：Ketzenberg, Michael E.; van der Laan, Erwin; Teunter, Ruud H.
摘要：We explore the value of information (VOI) in the context of a firm that faces uncertainty with respect to demand, product return, and product recovery (yield). The operational decision of interest in matching supply with demand is the quantity of new product to order. Our objective is to evaluate the VOI from reducing one or more types of uncertainties, where value is measured by the reduction in total expected holding and shortage costs. We start with a single period model with normally distr...
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作者：Whitt, Ward
作者单位：Columbia University
摘要：This paper proposes simple methods for staffing a single-class call center with uncertain arrival rate and uncertain staffing due to employee absenteeism. The arrival rate and the proportion of servers present are treated as random variables. The basic model is a multi-server queue with customer abandonment, allowing non-exponential service-time and time-to-abandon distributions. The goal is to maximize the expected net return, given throughput benefit and server, customer-abandonment and cust...
