نتایج جستجو برای: reserve estimation

تعداد نتایج: 293596  

2007
Xiaoyu Mao Adriaan ter Mors Nico Roos Cees Witteveen

Resource scheduling problems with incomplete information and environment changes have been studied for decades. The vast majority of the research efforts in the scheduling problems under uncertainty assume a central authority with a global objective of maximizing the resource usage. In real-life scheduling problems, in addition to the dynamic environment, sometimes conflicting interests of diff...

2007
Yingyao Hu Matthew Shum

In this paper, we consider nonparametric identification and estimation of first-price auction models when N∗, the number of potential bidders, is unknown to the researcher. Exploiting results from the recent econometric literature on models with misclassification error, we develop a nonparametric procedure for recovering the distribution of bids conditional on unobserved N∗. Monte Carlo results...

2007
Mark J. Jensen John M. Maheu

This paper extends the existing fully parametric Bayesian literature on stochastic volatility to allow for more general return distributions. Instead of specifying a particular distribution for the return innovations, nonparametric Bayesian methods are used to flexibly model the distribution’s skewness and kurtosis while volatility dynamics follow a parametric structure. Our Bayesian approach p...

2000
Alasdair Scott

1 2 This paper presents results from the estimation of a multivariate unobserved components model of cyclical activity. The model is motivated by a desire to let the data speak as much as possible, and hence to avoid imposing ad hoc and unjustifiable assumptions about trends and cycles. Estimated over the period 1970:1 to 1999:3 via the Kalman filter and maximum likelihood, the model identifies...

Journal: :Journal of the International Neuropsychological Society : JINS 2013
Daniel J Barulli Brian C Rakitin Patrick Lemaire Yaakov Stern

Cognitive reserve (CR) has been proposed as a latent variable that can account for the frequent discrepancy between an individual's underlying level of brain pathology and their observed clinical outcome. A possible behavioral manifestation of CR is best strategy choice. Older adults have been shown to choose sub-optimal strategies for performing various tasks. The present study attempted to in...

Journal: :Human reproduction 2004
Koray Elter Alper Sismanoglu Fatih Durmusoglu

Journal: :journal of family and reproductive health 0
seddigheh esmaeilzadeh fateme-zahra infertility and reproductive health research center, babol university of medical scienc masoumeh golsorkhtabar amiri fateme-zahra infertility and reproductive health research center, babol university of medical scienc tooran rastgar fateme-zahra infertility and reproductive health research center, babol university of medical scienc jamileh vazi fateme-zahra infertility and reproductive health research center, babol university of medical scienc nargess gholizadeh pasha fateme-zahra infertility and reproductive health research center, babol university of medical scienc

objective: basal fsh levels reflect ovarian response and more formed embryos. we investigated a reliable fsh range to retrieve more oocytes and embryos. materials and methods: two hundred patients in art cycles underwent this study from apr 2007 to sep 2008. patients were divided in three groups based on value of fsh: group a≤8 iu/ml, 8 iu/ml < group b≤10 iu/ml, group c>10 iu/ml and results of ...

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