نتایج جستجو برای: imperfect coverage
تعداد نتایج: 100983 فیلتر نتایج به سال:
This work considers a preemptive priority queueing system with vacation, where the single server may break down imperfect coverage. Various combinations of vacation models have been studied by many scholars. A common assumption in these is that will only resume its normal service rate after over. However, such speculation more limited real-world situations. Hence, this study, be interrupted if ...
Coverage is a fundamental task in sensor networks. We consider the minimum cost point coverage problem and formulate a binary integer linear programming model for effective sensor placement on a grid-structured sensor field when there are multiple types of sensors with varying sensing quality and price. The formulation is general and can be adapted to handle situations where sensing is perfect,...
We analyze the trade-off between monopoly and competition in matching markets. Intermediaries use prices to sort agents on one side of the market, while, on the other side, they rely solely on an imperfect screening technology. The socially efficient outcome is characterized by an optimal quality provision and an efficient market coverage: matched agents are matched assortatively and all agents...
This paper presents the DREDD (Dependability and Risk Evaluation using Decision Diagrams) algorithm which incorporates coverage modeling into a BDD solution of a combinatorial model. BDDs, which do not use cutsets to generate system unreliability, may be used to nd exact solutions for extremely large systems. The DREDD algorithm takes advantage of the e ciency of the BDD solution approach and i...
We show how the current institutional setting of U.S.-dollar money markets limits the passthrough effectiveness of the Federal Reserve’s monetary policy. We focus on frictions associated with imperfect competition, regulation, infrastructure, and other forms of institutional segmentation within money markets. We model how imperfect competition is exacerbated by costs to cash investors associate...
This paper measures welfare losses caused by adverse selection and imperfect competition in privatized Medicare. I model insurers premium and coverage choices in an environment where consumers with heterogeneous preferences may impose di¤erent costs on their insurers. Using insurers behavior and exogenous variation in market structure, I identify a causal link between consumerstypes and insu...
Standard policies to correct market power and selection can be misguided when these two forces co-exist. Using a calibrated model of employer-sponsored health insurance, we show that the risk adjustment commonly used by employers to offset adverse selection often reduces the amount of high-quality coverage and thus social surplus. Conversely, in a model of subprime auto lending calibrated to Ei...
In the past few years, we have been developing a robust, wide-coverage, and cognitive load-sensitive spoken dialog interface, CHAT (Conversational Helper for Automotive Tasks). New progress has been made to address issues related to dynamic and attention-demanding environments, such as driving. Specifically, we try to address imperfect input and imperfect memory issues through robust understand...
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