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作者：Behrens, DA; Caulkins, JP; Tragler, G; Feichtinger, G
作者单位：Technische Universitat Wien; University of Klagenfurt; Carnegie Mellon University; RAND Corporation
摘要：Drug use and related problems change substantially over time, so it seems plausible that drug interventions should vary too. To investigate this possibility, we set up a continuous time version of the first-order difference equation model of cocaine use introduced by Everingham and Rydell (1994), extended to make initiation an endogenous function of prevalence. We then formulate and solve drug treatment and prevention spending decisions in the framework of dynamic optimal control under differe...
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作者：Hazen, G
作者单位：Northwestern University
摘要：Stochastic trees are extensions of decision trees that facilitate the modeling of temporal uncertainties. Their primary application has been to medical treatment decisions. It is often convenient to present stochastic trees in factored form, allowing loosely coupled pieces of the model to be formulated and presented separately. Ln this paper, we show how the notion of factoring can be extended as well to preference components of the stochastic model. We examine updateable-state utility, a flex...
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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...
