نتایج جستجو برای: risk of bias

تعداد نتایج: 21278371  

Journal: :Expert Syst. Appl. 2011
S. Vinodh R. Anesh Ramiya S. G. Gautham

The contemporary manufacturing organisations are forced to adopt advanced manufacturing paradigms for sustaining in the global markets. Supply chain management is an essential ingredient of advanced manufacturing systems since outsourcing gains vital importance. Supplier selection is a vital issue concerned in the process of managing global supply chains. A conceptual model for supplier selecti...

Journal: :Research in Computing Science 2016
Juan C. Osorio D. F. Manotas J. L. García

Supplier selection is a critical activity for organizations, because it directly affects their performance and affects the productivity and competitiveness of the firm. It has been widely accepted in academic literature that this problem has a clear strategic nature multi definition. Third Party Logistics Providers (3PL) have been widely promoted by the phenomenon of outsourcing, on which compa...

2015
Fabrizio Botti

The present study contributes to the literature on the economics of discrimination by considering some consequences of sexual orientation discrimination. Specifically, we analyse LGB people's decision to "come out" within an identity utility theoretical framework, and estimate the model on a representative sample of the EU population. We aim to investigate the factors that systematically affect...

Journal: :caspian journal of internal medicine 0
karimollah hajian tilaki

background: confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. this bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). in this article, we provided a conceptual framework review of confounding issues in epi...

Background: Cancer is a public health emergency. It has a high mortality rate despite numerous studies on pharmaceutical therapies. Chimeric antigen receptor-natural killer (CAR-NK) cells are promising immunotherapy that could be used to treat cancer, especially leukemia. However, the evidence is still unclear. Thus, this systematic review aims to summarize the evidence regarding the use of CAR...

Journal: :Games and Economic Behavior 2010
Pietro Ortoleva

Motivated by the extensive evidence about the relevance of status quo bias both in experiments and in real markets, we study this phenomenon from a decisiontheoretic prospective, focusing on the case of preferences under uncertainty. We develop an axiomatic framework that takes as a primitive the preferences of the agent for each possible status quo option, and provide a characterization accord...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

بنای جدی, مرتضی, فتوحی, اکبر , نواده, سودابه, یزدانی, کامران,

  Sensitive questions about people’s behaviors are often discussed in studies in the fields of human, social, and medical sciences. Obtaining valid answers to these kinds of questions is one of the main challenges in the mentioned studies. The most important risk factors for the validity of these studies are response bias and non-response bias, which occur because of concerns about divulging pe...

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