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作者:Geismar, H. Neil; Murthy, Nagesh M.
作者单位:Texas A&M University System; Texas A&M University College Station; Mays Business School; University of Oregon
摘要:A paper manufacturing plant minimizes its production cost by using long production runs that combine the demands from its various customers. As jobs are completed, they are released to distribution for delivery. Deliveries are made by railcars, each of which is dedicated to one customer. Long production runs imply that maximizing railcar utilization requires holding the cars over several days or holding completed jobs within the loading facility. Each of these methods imposes a cost onto the d...
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作者:Hyndman, Kyle; Parmeter, Christopher F.
作者单位:University of Texas System; University of Texas Dallas; University of Miami
摘要:In 2008, Industry Canada auctioned 105MHz of spectrum to a group of bidders that included incumbents and potential new entrants into the Canadian mobile phone market, raising $4.25billion. In an effort to promote new entry, 40MHz of spectrum was set-aside for new entrants. In order to estimate the implicit cost of the set-aside provision, we estimate the parameters of the bidders' profit function via a maximum match estimator based on the notion of pairwise stability in matches. We find that a...
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作者:Chen, Hong; Qian, Qu; Zhang, Anming
作者单位:Shanghai Jiao Tong University; Singapore University of Social Sciences (SUSS); Shanghai University of Finance & Economics; University of British Columbia
摘要:This study develops a theoretical model and then, using Canadian joint replacement surgery data, empirically tests the relationship between government policies that promote privately funded health care and patients' waiting time in the public health care system. Two policies are tested: one policy allows opt-out physicians to extra-bill private patients, and the other provides public subsidies to private patients. We find that both policies are associated with shorter public waiting time, and ...
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作者:Bell, David; Gallino, Santiago; Moreno, Antonio
作者单位:University of Pennsylvania; Dartmouth College; Northwestern University
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作者:Jouini, Oualid; Aksin, O. Zeynep; Karaesmen, Fikri; Aguir, M. Salah; Dallery, Yves
作者单位:Universite Paris Saclay; Koc University
摘要:The problem of estimating delays experienced by customers with different priorities, and the determination of the appropriate delay announcement to these customers, in a multi-class call center with time varying parameters, abandonments, and retrials is considered. The system is approximately modeled as an M(t)/M/s(t) queue with priorities, thus ignoring some of the real features like abandonments and retrials. Two delay estimators are proposed and tested in a series of simulation experiments....
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作者:An, Jaehyung; Cho, Soo-Haeng; Tang, Christopher S.
作者单位:Samsung; Samsung Electronics; Carnegie Mellon University; University of California System; University of California Los Angeles
摘要:The agricultural sector plays an important role in emerging economies even though most farmers are trapped in the poverty cycle owing to their smallholdings. Aggregating farmers through formal or informal cooperatives (coops) can enable them to: (i) reduce production cost; (ii) increase/stabilize process yield; (iii) increase brand awareness; (iv) eliminate unnecessary intermediaries; and (v) eliminate price uncertainty. To examine whether these effects will benefit the members of such aggrega...
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作者:Dhanorkar, Suvrat; Donohue, Karen; Linderman, Kevin
作者单位:Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; University of Minnesota System; University of Minnesota Twin Cities
摘要:Online material and waste exchanges (OMWEs) provide online channels to repurpose by-products, unused materials and waste from industrial and commercial facilities. Unfortunately, OMWE's also have challenges. First, sellers may have access to other disposal options and, as a result, may not fully commit to the exchange. Second, buyers can face high uncertainty about the product exchanged and the transaction being undertaken. Overcoming these challenges is the last hurdle to making OMWEs success...
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作者:Aksin, O. Zeynep; Cakan, Nesrin; Karaesmen, Fikri; Ormeci, E. Lerzan
作者单位:Koc University; Koc University
摘要:Most service systems consist of multidepartmental structures with multiskill agents that can deal with several types of service requests. The design of flexibility in terms of agents' skill sets and assignments of requests is a critical issue for such systems. The objective of this study was to identify preferred flexibility structures when demand is random and capacity is finite. We compare structures recommended by the flexibility literature to structures we observe in practice within call c...
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作者:Gray, John V.; Anand, Gopesh; Roth, Aleda V.
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作者:Feldman, Jacob; Topaloglu, Huseyin
作者单位:Cornell University
摘要:We consider assortment problems under a mixture of multinomial logit models. There is a fixed revenue associated with each product. There are multiple customer types. Customers of different types choose according to different multinomial logit models whose parameters depend on the type of the customer. The goal is to find a set of products to offer so as to maximize the expected revenue obtained over all customer types. This assortment problem under the multinomial logit model with multiple cu...