نتایج جستجو برای: aggregated risk
تعداد نتایج: 962069 فیلتر نتایج به سال:
The magnitude of economic growth depends on the growth and investment in key economic sectors. Thus, one important goal of policy makers and economic planners in any society is to identify key economic sectors. This paper aims at identifying these sectors in Iranian economy using stochastic input-output analysis. Stochastic analysis is used to investigate how the inherent imprecision affects th...
Credit risk analysis is an active research area in financial risk management and credit scoring is one of the key analytical techniques in credit risk evaluation. In this study, a novel intelligent-agent-based fuzzy group decision making (GDM) model is proposed as an effective multicriteria decision analysis (MCDA) tool for credit risk evaluation. In this proposed model, some artificial intelli...
The concept of virtual power plant (VPP) has been proposed to facilitate the integration of distributed renewable energy. VPP behaves similar to a single entity that aggregates a collection of distributed energy resources (DERs) such as distributed generators, storage devices, flexible loads, etc., so that the aggregated power outputs can be flexibly dispatched and traded in electricity markets...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
Risk analysis depends to a large extent on the type of data. Aggregate data can serve as a useful surrogate for individual data. However, in practice, there is uncertainty on the reliability and adequacy of aggregated data. In this paper we estimate the Herfindahl-Hirschman Index (HHI) for a loan portfolio using both aggregate data and individual data. Then, we compare both estimates to assess ...
The association between community-aggregated levels of peer and individual risk and protective factors and prevalence of adolescent substance use was examined in repeated cross-sectional data among youth in 41 communities ranging in population from 1,578 to 106,221. The association between community levels of these peer and individual risk and protective factors in 2000 and substance use 2 year...
We propose a novel alternative to case-control sampling for the estimation of individual-level risk in spatial epidemiology. Our approach uses weighted estimating equations to estimate regression parameters in the intensity function of an inhomogeneous spatial point process, when information on risk-factors is available at the individual level for cases, but only at a spatially aggregated level...
The effect and arrangement of cytoskeleton (microtubules, microfilaments and neurofilaments) in neurulation of chick embryo examined by immunoperoxidase method from stage 6 to stage 12. The results were as follows: 1) Microtubules aggregated in the perinuclear region from which they radiated to take longitudinal course beneath the membrane. 2) Microfilaments were aggregated in the apical ends (...
To support broad queries or ambiguous information needs, providing diverse search results to users has become increasingly necessary. Aggregated search attempts to achieve diversity by presenting search results from different information sources, so-called verticals (image, video, blog, news, etc), in addition to the standard web results, on one result page. This comes in contrast with the comm...
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