نتایج جستجو برای: seeming unrelated regression (sur)

تعداد نتایج: 419462  

Journal: :پژوهش های پولی و بانکی 0
سید کمیل طیبی seyed komail tayebi گروه اقتصاد دانشگاه اصفهان یاسر عباسلو دانشگاه اصفهان

bank credits affect employment through providing investment opportunities for firms and creating jobs for applicants. this needs، of course، an efficient financial system in the country to manage properly financial resources in order that the firms can access to the relevant economic effects of employment and growth.the performance of banking is thus a major determinant of employment and busine...

2017
Monica Billio Roberto Casarin Luca Rossini

Seemingly unrelated regression (SUR) models are useful in studying the interactions among different variables. In a high dimensional setting or when applied to large panel of time series, these models require a large number of parameters to be estimated and suffer of inferential problems. To avoid overparametrization and overfitting issues, we propose a hierarchical Dirichlet process prior for ...

2006
Hyungsik Roger Moon Benoit Perron

This article considers the seemingly unrelated regression (SUR) model first analyzed by Zellner (1962). We describe estimators used in the basic model as well as recent extensions.

1999
Martin BILODEAU Pierre DUCHESNE

This paper proposes robust regression to solve the problem of outliers in seemingly unrelated regression (SUR) models. The authors present an adaptation of S-estimators to SUR models. S-estimators are robust, with high breakdown point, and are much more efficient than other robust regression estimators commonly used in practice. Furthermore, modifications to Ruppert’s algorithm allow a fast eva...

2011
Roger Koenker Stephen Portnoy

Robust alternatives to the seemingly unrelated regression (SUR) estimator of Zellner (1962) are proposed for the classical multivariate regression model. These weighted M-estimators achieve an asymptotic covariance matrix analogous to that of the SUR estimator. Comparisons are made with the efficient estimator in the case of elliptically contoured distributions. The / lt least absolute deviatio...

Journal: :Mathematics and Computers in Simulation 2014
Shuangzhe Liu Tie-Feng Ma Wolfgang Polasek

System of panel models are popular models in applied sciences and the question of spatial errors has created the recent demand for spatial system estimation of panel models. Therefore we propose new diagnostic methods to explore if the spatial component will change significantly the outcome of non-spatial estimates of seemingly unrelated regression (SUR) systems. We apply a local sensitivity ap...

2009
Yan Yan Peter Barry Nicholas Paulson Gary Schnitkey

The study addresses problems in measuring credit risk under the structure model, and then proposes a seemingly unrelated regression model (SUR) to predict farms’ ability in meeting their current and anticipated obligations in the next 12 months. The empirical model accounts for both the dependence structure and the dynamic feature of the structure model, and is used for estimating asset correla...

ژورنال: تحقیقات اقتصادی 2015

انتخاب بهترین مدل تقاضا برای تبیین رفتار مصرف‌کنندگان و تعیین فرم‌های تبعی آن همواره به عنوان یکی از مسائل اقتصاد خرد مطرح بوده است. در این مقاله با معرفی خانوادة توابع تقاضای دیفرانسیلی آیدز (AIDS)، سی بی اس (CBS)‌،ان بی آر (NBR)، و روتردام به برآورد تجربی این توابع به کمک داده‌‏های خانوارهای شهری کشور طی سال‌های 1350 ـ 1391 پرداخته شده است. در این مطالعه از روش اس یو آر[1] (SUR) برای برآورد م...

Journal: :Applications of Mathematics 2013

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