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jeasiq-1430
تقدير مصفوفة الحسابات القومية وتحديثها بإستخدام طريقة (C.E) دراسة مقارنة بين الطرق المستخدمة
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ليس جديداً القول بان هناك حاجة مستمرة ومتزايدة لاستخدام البيانات الاقتصادية المتسقة عن القطاعات المختلفة في الاقتصاد القومي لدعم وإسناد عملية التحليل الاقتصادي وتطوير النماذج الاقتصادية الكلية.

وتعرض مصفوفة الحسابات القومية Social Accounting Matrix  (SAM) اطاراً شاملاً من المعلومات الأساسية لهذا النوع من النماذج والتحليل. فهي تتضمن كلا من المستخدم- المنتج
(جداول المدخلات- المخرجات) وحسابات الناتج والدخل القومي في اطار متناسق.

وبينما يتم اعداد جداول المستخدم – المنتج عادة مرة واحدة كل خمس سنوات او شيء من هذا القبيل، فان حسابات الناتج والدخل القومي تعد سنوياً وبتباطؤ زمني، أي لفترة زمنية سابقة. اما تحديث مصفوفة حسابات قومية لفترة لاحقة، فأنها لا تعد مسالة صعبة فحسب، وإنما تعد  مسالة تحدي.

ولتركيب مصفوفة حسابات قومية موسعة قابلة للتحليل الاقتصادي, فان البيانات المطلوبة هي من السعة بحيث يصعب توفيرها، وعند ذلك ينبغي ان تستكمل بواسطة معلومات اضافية ومن مصادر مختلفة، مثل الاحصاءات الصناعية، مسوحات العمل، البيانات الزراعية، الحسابات الحكومية، حسابات التجارة الخارجية، ومسوحات الاسر وغيرها. اما المشكلة الرئيسية في تحديث مصفوفة الحسابات القومية فانها تكمن في أيجاد طريقة كفوءة وقليلة الكلفة لدمج المعلومات المستحصلة من تلك المصادر والتوفيق بينها، بضمنها البيانات المستقاة من سنين سابقة.

ان الطريقة التقليدية لبناء مصفوفة حسابات قومية حديثة متماسكة ومتسقة، هي البدء من مصفوفة حسابات لسنة اساس معينة سابقة، ثم تحديثها لفترة لاحقة من خلال ادخال معلومات جديدة عن مجاميع الصفوف والاعمدة، لتلك المصفوفة مع بقاء المعلومات حول التدفقات الداخلية التي تتضمنها الـ ( SAM) ثابتة، وغالبا ما يتم البدء من مصفوفة حسابات غير متسقة ومعلومات غير متكاملة عن مجاميع الصفوف والاعمدة والتدفقات المختلفة في الـ (SAM).

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Publication Date
Sat Dec 01 2012
Journal Name
Journal Of Economics And Administrative Sciences
تكامل إعادة هندسة العمليات والمداخل المعاصرة لتخفيض التكاليف في ظل فلسفة ادارة التغيير ( نموذج مقترح ) دراسة تطبيقية في شعبة التكنولوجيا في الشركة العامة للصناعات الكهربائية في الوزيرية
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The entrance process re-engineering one of the main entrances of administrative and technology appropriate to keep pace with scientific progress and the continuing changes in business environment and for the purpose of achieving the goal sought by the organizations in the pursuit of rapid developments and renewable energy in the market competition by changing its operations and activities of the radical change which contributes to an effective contribution to reducing the cost of product or service taking into account the quality improvement in the management of change to keep the increase value and speed of placing on the market to meet customer needs and desires to achieve and attain the goal of growth and stability in the market under th

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Publication Date
Wed Jun 30 2021
Journal Name
College Of Islamic Sciences
مصادر المعرفة لدى اصحاب المذهب التجريبي والعلموي مقارنة بالتصور الاسلامي
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Here’s a research about epistemology including answer for the most essential questions those which associate with human knowledge, It’s the sources of knowledge and it's pathways depending on showing and criticizing the empirical doctrine represented by John Locke, David Hume and others, not only the empirical doctrine but also the contemporary scientism doctrine the one that characterized by science abilities glorification which is represented by contemporary scientists such as: Stephen Hawking and some few others .The common points between both of the doctrines (scientism and empirical) will be clarified for the reader and also the uncommon ones, ultimately, we will briefly spotlight on the basics of the Islamic vision about knowle

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Publication Date
Mon Jun 05 2023
Journal Name
Journal Of Economics And Administrative Sciences
Comparison of Poisson Regression and Conway Maxwell Poisson Models Using Simulation
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Regression models are one of the most important models used in modern studies, especially research and health studies because of the important results they achieve. Two regression models were used: Poisson Regression Model and Conway-Max Well-  Poisson), where this study aimed to make a comparison between the two models and choose the best one between them using the simulation method and at different sample sizes (n = 25,50,100) and with repetitions (r = 1000). The Matlab program was adopted.) to conduct a simulation experiment, where the results showed the superiority of the Poisson model through the mean square error criterion (MSE) and also through the Akaiki criterion (AIC) for the same distribution.

Paper type:

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Publication Date
Sun Apr 01 2012
Journal Name
مجلة الإدارة والاقتصاد
مقارنة لبعض الطرائق المعلمية واللامعلمية لتقدير دالة المعولية باستخدام المحاكاة
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يھدف البحث الى اجراء تقدير دالة المعولية لتوزيــع ويبل ذي المعلمتين بالطرائـق المعلميــة والمتمثلة بـ (NWLSM,RRXM,RRYM,MOM,MLM (، وكذلك اجراء تقدير لدالة المعولية بالطرائق الالمعلمية والمتمثلة بـ . (EM, PLEM, EKMEM, WEKM, MKMM, WMR, MMO, MMT) وتم استخدام اسلوب المحاكاة لغرض المقارنة باستخدام حجوم عينات مختلفة (20,40,60,80,100) والوصول الى افضل الطرائق في التقدير باالعتماد على المؤشر االحصائي متوسط مربعات الخطا التكاملي (IMSE(، وقد توصل البحث الى

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Publication Date
Sun Sep 01 2013
Journal Name
Journal Of Economics And Administrative Sciences
Compared Methods of Generating Both Gamma Distribution and Beta Distribution
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Beta Distribution

Abstract

             Gamma and Beta Distributions has very important in practice in various areas of statistical and applications reliability and quality control of production. and There are a number of methods to generate data behave on according to these distribution. and These methods bassic primarily on the shape parameters of each distribution and the relationship between these distributions and their relationship with some other probability distributions.    &nb

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Publication Date
Mon Aug 01 2016
Journal Name
Journal Of Economics And Administrative Sciences
"Compared some of the semi-parametric methods in analysis of single index model "
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As the process of  estimate for model and variable selection significant is a crucial process in the semi-parametric modeling At the beginning of the modeling process often At there are many explanatory variables to Avoid the loss of any explanatory elements may be important as a result , the selection of significant variables become necessary , so the process of variable selection is not intended to simplifying  model complexity explanation , and also predicting. In this research was to use some of the semi-parametric methods (LASSO-MAVE , MAVE and The proposal method (Adaptive LASSO-MAVE) for variable selection and estimate semi-parametric single index model (SSIM) at the same time .

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Publication Date
Thu Jun 30 2022
Journal Name
Journal Of Economics And Administrative Sciences
Comparing Some of Robust the Non-Parametric Methods for Semi-Parametric Regression Models Estimation
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In this research, some robust non-parametric methods were used to estimate the semi-parametric regression model, and then  these methods were compared using the MSE comparison criterion, different sample sizes, levels of variance, pollution rates, and three different models were used. These methods are S-LLS S-Estimation -local smoothing, (M-LLS)M- Estimation -local smoothing, (S-NW) S-Estimation-NadaryaWatson Smoothing, and (M-NW) M-Estimation-Nadarya-Watson Smoothing.

The results in the first model proved that the (S-LLS) method was the best in the case of large sample sizes, and small sample sizes showed that the

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Publication Date
Tue Oct 01 2013
Journal Name
Journal Of Economics And Administrative Sciences
Comparison Some Parametric and Non –parametric Methods To Estimate Median Effective Dose ( ED5
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            In this paper the research represents an attempt of expansion in using the parametric and non-parametric estimators to estimate the median effective dose ( ED50 ) in the quintal bioassay and comparing between  these methods . We have Chosen three estimators for Comparison. The first estimator is
( Spearman-Karber )  and the second estimator is ( Moving Average ) and The Third estimator  is ( Extreme Effective Dose ) .
We used a minimize Chi-square as a parametric method. We made a Comparison for these estimators by calculating the mean square error of (ED50) for each one of them and comparing it with the optimal the mean square

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Publication Date
Tue Oct 01 2019
Journal Name
Journal Of Economics And Administrative Sciences
The Time-Cost Trade-off to Manage A Project in a Fuzzy Environment
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In this research, the problem of ambiguity of the data for the project of establishing the typical reform complex in Basrah Governorate was eliminated. The blurry of the data represented by the time and cost of the activities was eliminated by using the Ranking function and converting them into normal numbers. Scheduling and managing the Project in the Critical Pathway (CPM) method to find the project completion time in normal conditions in the presence of non-traditional relationships between the activities and the existence of the lead and lag periods. The MS Project was used to find the critical path. The results showed that the project completion time (1309.5) dinars and the total cost has reached (33113017769) dinars and the

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Publication Date
Thu Mar 01 2012
Journal Name
Journal Of Economics And Administrative Sciences
On the design of the annexation experience between splintered and dissociated sectors
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The idea of the design of combination Between split – plot and split block means that an experiment conducted with a design

formed by combination Between split – plot and split block, and it presents a precise manner to analytic who aimed to make appropriate statistical analysis for the experiment because such design contains four random errors , it make a high precision rather than another designs. The plan and the theoretical analysis were presented with application   to show its idia and the ability to use it in many fields  especially in agricultural experiments field .

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