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作者:Cooper, LG; Giuffrida, G
作者单位:University of California System; University of California Los Angeles; University of California System; University of California Los Angeles
摘要:This article develops and illustrates a new knowledge discovery algorithm tailored to the action requirements of management science applications. The challenge is to develop tactical planning forecasts at the SKU level. We use a traditional market-response model to extract information from continuous variables and use datamining techniques on the residuals to extract information from the many-valued nominal variables, such as the manufacturer or merchandise category. This combination means tha...
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作者:Herer, YT; Raz, T
作者单位:Tel Aviv University; Tel Aviv University
摘要:We consider the case of a batch of discrete units produced by a process subject to failures under a known probability distribution function, and apply information theory to the problem of finding the first nonconforming unit in the batch at minimum cost. Two distinct but related aspects of this problem were treated: determining which units should be inspected, and determining how many units should be sent for inspection at the same time. The solution is based on the principles of inspecting th...
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作者:Rivkin, JW
作者单位:Harvard University
摘要:Researchers examining loosely coupled systems, knowledge management, and complementary practices in organizations have proposed, informally, that the complexity of a successful business strategy can deter imitation of the strategy. This paper explores this proposition rigorously. A simple model is developed that parametrizes the two aspects of strategic complexity: the number of elements in a strategy and the interactions among those elements. The model excludes conventional resource-based and...
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作者:Hill, RR; Reilly, CH
作者单位:Air Force Institute of Technology (AFIT); United States Department of Defense; United States Air Force; US Air Force Research Laboratory; State University System of Florida; University of Central Florida
摘要:This paper presents the results of an empirical study of the effects of coefficient correlation structure and constraint slackness settings on the performance of solution procedures on synthetic two-dimensional knapsack problems (2KP). The population correlation structure among 2KP coefficients, the level of constraint slackness, and the type of correlation (product moment or rank) are varied in this study. Representative branch-and-bound and heuristic solution procedures are used to investiga...
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作者:Venkatesh, V; Davis, FD
作者单位:University System of Maryland; University of Maryland College Park; University of Arkansas System; University of Arkansas Fayetteville
摘要:The present research develops and tests a theoretical extension of the Technology Acceptance Model (TAM) that explains perceived usefulness and usage intentions in terms of social influence and cognitive instrumental processes. The extended model, referred to as TAM2, was tested using longitudinal data collected regarding four different systems at four organizations (N = 156), two involving voluntary usage and two involving mandatory usage. Model constructs were measured at three points in tim...
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作者:Arkin, BL; Leemis, LM
作者单位:William & Mary
摘要:A nonparametric technique for estimating the cumulative intensity function of a nonhomogeneous Poisson process from one or more realizations on an interval is extended here to include realizations that overlap. This technique does not require any arbitrary parameters from the modeler, and the estimated cumulative intensity function can be used to generate a point process for simulation by inversion.
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作者:Feng, YY; Gallego, C
作者单位:National University of Singapore; Columbia University
摘要:Many industries face the problem of selling a fixed stock of items over a finite horizon. These industries include airlines selling seats before planes depart, hotels renting rooms before midnight, theaters selling seats before curtain time, and retailers selling seasonal items with long procurement lead times. Given a sunk investment in seats, rooms, or winter coats, the objective for these industries is to maximize revenues in excess of salvage value. When demand is price sensitive and stoch...
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作者:Harter, DE; Krishnan, MS; Slaughter, SA
作者单位:University of Michigan System; University of Michigan; Carnegie Mellon University
摘要:The information technology (IT) industry is characterized by rapid innovation and intense competition. To survive, IT firms must develop high quality software products on time and at low cost. A key issue is whether high levels of quality can be achieved without adversely impacting cycle time and effort. Conventional beliefs hold that processes to improve software quality can be implemented only at the expense of longer cycle times and greater development effort. However, an alternate view is ...
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作者:Krishnan, MS; Kriebel, CH; Kekre, S; Mukhopadhyay, T
作者单位:University of Michigan System; University of Michigan; Carnegie Mellon University
摘要:We examine the relationship between life-cycle productivity and conformance quality in software products. The effects of product size, personnel capability, software process, usage of tools, and higher front-end investments on productivity and conformance quality were analyzed to derive managerial implications based on primary data collected on commercial software projects from a leading vendor. Our key findings are as follows. First, our results provide evidence for significant increases in l...
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作者:Zhao, W; Zheng, YS
作者单位:University of Illinois System; University of Illinois Urbana-Champaign; University of Pennsylvania
摘要:We consider a dynamic pricing model for selling a given stock of a perishable product over a finite time horizon. Customers, whose reservation price distribution changes over time, arrive according to a nonhomogeneous Poisson process. We show that at any given time, the optimal price decreases with inventory. We also identify a sufficient condition under which the optimal price decreases over time for a given inventory level. This sufficient condition requires that the willingness of a custome...