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作者：Wang, Ping; Zinn, Walter; Croxton, Keely L.
作者单位：Tianjin University; University System of Ohio; Ohio State University
摘要：Determining appropriate inventory levels has been a subject of interest for both researchers and practitioners. Standard practice is to treat lead time demand as a random sum of random numbers and rely on established probability theory to calculate both reorder point and safety stock levels. A key assumption in these calculations, however, is that lead time and demand are not correlated. In this paper, we first explore situations where this assumption is untrue and then develop equations to de...
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作者：Salmeron, Javier; Apte, Aruna
作者单位：United States Department of Defense; United States Navy; Naval Postgraduate School; United States Department of Defense; United States Navy; Naval Postgraduate School
摘要：A key strategic issue in pre-disaster planning for humanitarian logistics is the pre-establishment of adequate capacity and resources that enable efficient relief operations. This paper develops a two-stage stochastic optimization model to guide the allocation of budget to acquire and position relief assets, decisions that typically need to be made well in advance before a disaster strikes. The optimization focuses on minimizing the expected number of casualties, so our model includes first-st...
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作者：Fruchter, Gila E.; Mantrala, Murali K.
作者单位：Bar Ilan University; University of Missouri System; University of Missouri Columbia
摘要：This paper focuses on the proactive planning of a partial switch of a prescription (Rx) drug brand to over-the-counter (OTC) status within the former's patent-protected life. The planning issues are whether and when to make this switch from the single-status Rx drug phase to the dual-status Rx+OTC phase with or without the grant of a 3-year market exclusivity period for the OTC drug by the US Food and Drug Administration. We formulate an optimal control problem that leads to a two-phase optimi...
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作者：Diaz, Rafael; Ardalan, Ali
作者单位：Old Dominion University; Old Dominion University
摘要：Recent advances in approaches and production technologies for the production of goods and services have made just-in-time (JIT) a strong alternative for use in intermittent and small batch production systems, especially when time-based competition is the norm and a low inventory is a must. However, the conventional JIT system is designed for mass production with a stable master production schedule. This paper suggests supplementing the information provided by production kanbans with informatio...
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作者：Petruzzi, Nicholas C.; Wee, Kwan E.; Dada, Maqbool
作者单位：University of Illinois System; University of Illinois Urbana-Champaign; Singapore Management University; Johns Hopkins University
摘要：We study the newsvendor problem when consumers are heterogeneous either in their valuations of the newsvendor's product, in their valuations of an outside option available to them, or in both valuations. In this context, we observe that the outside option, which represents the value that a given consumer associates with choosing not to purchase the newsvendor's product, may be interpreted as a search cost. Taking into consideration whether consumers' valuations differ on either one dimension o...
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作者：Gray, John V.; Tomlin, Brian; Roth, Aleda V.
作者单位：University System of Ohio; Ohio State University; University of North Carolina; University of North Carolina Chapel Hill; Clemson University
摘要：The contract manufacturing industry has grown rapidly in recent years as firms have increasingly outsourced production to reduce costs. This growth has created powerful contract manufacturers (CMs) in several industries. Achieving a competitive cost position is often a primary motive for outsourcing. Outsourcing influences both the original equipment manufacturer's (OEM) and the CM's production levels, and, therefore, through learning-by-doing renders future costs dependent on past outsourcing...
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作者：He, Xiuli; Prasad, Ashutosh; Sethi, Suresh P.
作者单位：University of North Carolina; University of North Carolina Charlotte; University of Texas System; University of Texas Dallas
摘要：Cooperative (co-op) advertising is an important instrument for aligning manufacturer and retailer decisions in supply chains. In this, the manufacturer announces a co-op advertising policy, i.e., a participation rate that specifies the percentage of the retailer's advertising expenditure that it will provide. In addition, it also announces the wholesale price. In response, the retailer chooses its optimal advertising and pricing policies. We model this supply chain problem as a stochastic Stac...
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作者：Chen, Zhi-Long; Pundoor, Guruprasad
作者单位：University System of Maryland; University of Maryland College Park
摘要：We consider an integrated production-distribution scheduling model in a make-to-order supply chain consisting of one supplier and one customer. The supplier receives a set of orders from the customer at the beginning of a planning horizon. The supplier needs to process all the orders at a single production line, pack the completed orders to form delivery batches, and deliver the batches to the customer. Each order has a weight, and the total weight of the orders packed in a batch must not exce...
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作者：Elmaghraby, Wedad; Lippman, Steven A.; Tang, Christopher S.; Yin, Rui
作者单位：University System of Maryland; University of Maryland College Park; University of California System; University of California Los Angeles; Arizona State University; Arizona State University-Tempe
摘要：This paper considers the sale of a seasonal product in the face of strategic customers. At the beginning of the selling season, the retailer announces both the price p(h) at which the product will be sold during the selling season and the post-season clearance price p(l) < p(h) for unsold items. We analyze two operating regimes: The no reservation regime'' allows a buyer either to purchase the product at price ph when he arrives or to enter a lottery to purchase at price p(l) if the product re...
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作者：Burke, Gerard J.; Carrillo, Janice E.; Vakharia, Asoo J.
作者单位：University System of Georgia; Georgia Southern University; State University System of Florida; University of Florida
摘要：Supplier sourcing strategies are a crucial factor driving supply chain success. In this paper, we investigate the implications of uncertain supplier reliability on a firm's sourcing decisions in an environment with stochastic demand. In particular, we characterize specific conditions under which a firm should choose a single versus multiple supplier sourcing strategy. In an environment with both uncertain demand and supply, we characterize the total order quantity, the number of suppliers sele...
