-
作者：Chen, Shi; Lee, Hau; Moinzadeh, Kamran
作者单位：University of Washington; University of Washington Seattle; Stanford University
摘要：Cloud computing has been a rising trend in the business world. In this study, we consider two most important pricing schemes offered to sustained customers by major service providers in the cloud industry: the reservation-based scheme (the R-scheme) by Amazon or Microsoft, and the utilization-based scheme (the U-scheme) by Google. We consider a duopoly model with heterogeneous customers characterized by the mean and the coefficient of variation of their usage. We show that under either pricing...
-
作者：Arora, Priyank; Subramanian, Ravi
作者单位：University of Massachusetts System; University of Massachusetts Amherst; University System of Georgia; Georgia Institute of Technology
摘要：In the context of the mismatch between organ demand and supply, a statistic worth noting is that across the donor service areas in the United States, the average (median) percentage of eligible potential donors from whom no organs are recovered is 28.3% (29%). The socially suboptimal quantity and quality of recovered organs form the context of our study, which takes the perspective of the social planner that has an overall quality-adjusted life-year (QALY) improvement objective. We model the o...
-
作者：Liu, Yan; Cooper, William L.; Wang, Zizhuo
作者单位：Tianjin University; University of Minnesota System; University of Minnesota Twin Cities; The Chinese University of Hong Kong, Shenzhen
摘要：Should a seller make information about its products readily accessible to customers, so that customers do not have to incur any substantive cost-in terms of time and effort-to learn about those products? To help answer this question, we consider a monopolist selling two substitute products to a population of customers, who have differing tastes about the products. Each customer a priori has uncertainty about whether or not he will like each of the products. The seller may choose to make produc...
-
作者：Shen, Xiaobei; Bao, Lina; Yu, Yimin; Hua, Zhongsheng
作者单位：Chinese Academy of Sciences; University of Science & Technology of China, CAS; Zhejiang University; City University of Hong Kong; Hangzhou Dianzi University
摘要：We consider a periodic review, single-stage inventory system with multiple demand classes and a fixed replenishment lead time. Inventory expediting is allowed to alleviate demand-supply mismatches. Priority demands are commonly used in practice to provide differentiated services for customers, and inventory expediting is an effective strategy to improve the service levels of high-priority demands. However, it is challenging to coordinate the inventory ordering, expediting and allocation decisi...
-
作者：Yuan, Rong; Graves, Stephen C.; Cezik, Tolga
作者单位：Massachusetts Institute of Technology (MIT); Amazon.com
摘要：Our research focuses on the storage decision in a semi-automated storage system, where the inventory is stored on mobile storage pods. In a typical system, each storage pod carries a mixture of items, and the inventory of each item is spread over multiple storage pods. These pods are transported by robotic drives to stationary stations on the boundary of the storage zone where associates conduct pick or stow operations. The storage decision is to decide to which storage location within the sto...
-
作者：Sodhi, ManMohan S.; Tang, Christopher S.
作者单位：City St Georges, University of London; University of California System; University of California Los Angeles
摘要：More firms than ever before are disclosing the provenance of their products, results of product testing, and suppliers' compliance with labor-practice norms in their annual reports, sustainability reports, and press releases, besides making such information available on third-party websites. However, collecting and disclosing such information is not only costly but also does not provide clear benefits. While the terminology is not yet standard in the literature, this study distinguishes supply...
-
作者：Mu, Liying; Dawande, Milind; Mookerjee, Vijay
作者单位：University of Delaware; University of Texas System; University of Texas Dallas
摘要：Dairy cooperatives bestow upon farmers the virtues of controlling a large supply quantity of a relatively scarce product, that is, milk (e.g., higher bargaining power, fixed cost sharing, etc.). However, the cooperative structure also encourages individual farmers to free-ride (i.e., provide low-quality milk in the hope that other farmers provide good-quality milk). The question arises: How can the benefits of a cooperative be retained, while eliminating free-riding, especially when individual...
-
作者：Ayer, Turgay; Ayvaci, Mehmet U. S.; Karaca, Zeynal; Vlachy, Jan
作者单位：University System of Georgia; Georgia Institute of Technology; University of Texas System; University of Texas Dallas; Agency for Healthcare Research & Quality
摘要：Health information exchanges (HIEs) are expected to improve poor information coordination in emergency departments (EDs); however, whether and when HIEs are associated with better operational outcomes remains poorly understood. In this work, we study HIE and length of stay (LOS) relationship using a large dataset from the Healthcare Cost and Utilization Project consisting of about 7.4 million treat-and-release visits made to 63 EDs in Massachusetts. Overall, we find that HIE adoption is associ...
-
作者：Faaland, Bruce; McKay, Mark; Schmitt, Thomas
作者单位：University of Washington; University of Washington Seattle; Trinity Western University
摘要：We solve a variation of a classic make-to-stock inventory problem introduced by Gavish and Graves. A machine is dedicated to a single product whose demand follows a stationary Poisson distribution. When the machine is on, items are produced one at a time at a fixed rate and placed into finished-goods inventory until they are sold. In addition, there is an expense for setting up the machine to begin a production run. Our departure from Gavish and Graves involves the handling of unsatisfied dema...
-
作者：Li, Zhaolin; Ryan, Jennifer K.; Shao, Lusheng; Sun, Daewon
作者单位：Jinan University; University of Sydney; University of Nebraska System; University of Nebraska Lincoln; University of Melbourne; University of Notre Dame
摘要：Assembly systems, in which various components are sourced from multiple suppliers and assembled into the final product, which is sold to external customers, are found in a variety of industries. In many practical settings, the assembler possesses incomplete information regarding the marginal cost of each supplier. This lack of complete information poses a challenge for the assembler in designing contract mechanisms. In this study, we investigate the assembler's contract design problem by propo...
