نتایج جستجو برای: model uncertainty

تعداد نتایج: 2184387  

Journal: :Mathematical Problems in Engineering 2018

Journal: :Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2020

Journal: :European Journal of Operational Research 2016

Journal: :international journal of business and development studies 0

this paper investigates the relationship between inflation and growth uncertainty in iran for the period of 1988-2008 by using quarterly data. we employ generalized autoregressive conditional heteroscedasticity in mean (garch-m) model to estimate time-varying conditional residual variance of growth, as a standard measures of growth uncertainty. the empirical evidence shows that growth uncertain...

Journal: :international journal of industrial engineering and productional research- 0
aliakbar hasani industrial engineering dept., school of engineering, tarbiat modares university, al-ahmad ave., tehran, iran seyed hessameddin zegordi industrial engineering dept., school of engineering, tarbiat modares university, al-ahmad ave., tehran, iran

in this study, an optimization model is proposed to design a global supply chain (gsc) for a medical device manufacturer under disruption in the presence of pre-existing competitors and price inelasticity of demand. therefore, static competition between the distributors’ facilities to more efficiently gain a further share in market of economic cooperation organization trade agreement (ecota) is...

Journal: :international journal of supply and operations management 2015
ahmad mohamadi saeed yaghoubi hadis derikvand

occurrence of natural disaster inflicts irreparable injuries and symptoms on humans. in such conditions, affected people are waiting for medical services and relief commodities. thus, quick reaction of medical services and relief commodities supply play important roles in improving natural disaster management. in this paper, a multi-objective non-linear credibility-based fuzzy mathematical prog...

Usage of fuzzy differential equations (FDEs) is a natural way to model dynamical systems under possibilistic uncertainty. We consider second order hybrid fuzzy differentia

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