Skip to content 
Modeling crude oil price volatility in Nigeria: using GARCH (1,1), EGARCH (1,1), and GJR-GARCH (1,1) models
This study investigates the performance of various GARCH models for volatility forecasting, focusing on the GARCH (1,1), EGARCH (1,1), and GJR-GARCH (1,1) frameworks, each tested with normal and Student’s t-distributions. The models are evaluated using four information criteria: Akaike Information Criterion (AIC), Bayesian Information Criterion (BIC), Shibata Criterion, and Hannan-Quinn Criterion. The results reveal that […]
Enhancing organizational performance by applying business analysis and green human resource management at the Sudanese international training and management consulting company
This study evaluates the impact of business analysis (BA) dimensions (strategy, data integration, and financial evaluation) on organizational performance (OP), measured in terms of performance outcomes and green performance management. It also considers the mediating role of green human resource management (GHRM), which is made up of practices such as green recruitment, training, rewards, and […]
Perception and reality in Iraq: An econometric analysis of the gap between citizens’ economic sentiment and official indicators
This study looks at the ongoing disconnect between Iraq’s official economic statistics and how people actually feel about their economic situation in the years following the 2003 U.S. invasion. While national figures often show improvements in broad indicators like GDP and oil revenues, those numbers don’t always match what ordinary Iraqis experience in their daily […]
Gamification in mobile shopping applications: effects on user engagement and shopping wellbeing
The rapid advancement in technology and increased implementation of retailers and the usage by customers of shopping applications have intensified the need for designing marketing tactics that enhance customers’ engagement while at the same time supporting their well-being. This research paper examines how the Octalysis gamification framework, with its eight dimensions (1. Epic Meaning and […]
Utilizing tax mechanisms via a proposed quantitative approach to enhance financial indicators and sustainability in Saudi Arabia
This study aims to assess the effectiveness of tax mechanisms in promoting sustainable development in Saudi Arabia through a proposed quantitative framework that links core components of the tax system to financial and developmental indicators. Six key dimensions were examined: tax equity, tax certainty, regulatory clarity, convenience, database accuracy, and collection efficiency. A descriptive–analytical approach […]
أثر تطوير أداء رأس المال الفكري باستخدام بطاقة القياس المتوازن في تطوير أداء شركات الادوية
هدفت الدراسة إلى تطوير أداء رأس المال الفكري الذي يعتبر من الموضوعات الإدارية الهامة للتطوير المستدام حيث انها أساس النجاح و الإخفاق بجميع المنظمات سواء صغيرة او متوسطة او كبيرة الحجم والتي صرحت بها الأدبيات المعاصرة والتي برز الاهتمام بها من قبل الباحثين في بداية عقد التسعينات من القرن العشرين، إذ أضمرت الأدبيات مواضيع متعددة […]
Estimation and prediction constant stress accelerated life testing for gull alpha power Fréchet distribution
Traditional life Analysis of data involves examining time-to-failure outcomes (for a system, component, or product) collected according to usual conditions to evaluate life specifications and provide predictions regarding product performance. In many cases and for a variety of reasons, such specific data can be considered complicated, or completely impossible. Accelerated life testing is designed to experience […]
Understanding the influence of AI personalized and credible recommendations on consumer purchase behavior in E-commerce
Competition among companies has dramatically increased in the modern world. As artificial intelligence (AI) continues to transform digital marketing, increasing sales and revenues, AI-powered recommendation systems have become essential, offering enhanced efficiency and personalisation services to influence online shopping intentions and behaviours. Firms collect consumers’ information to design personalised offerings and enhance their online shopping […]
أثر نظم ذكاء الأعمال على إدارة الأزمات: دراسة ميدانية على العاملين فى شركات البترول
يهدف البحث إلى دراسة “أثر نظم ذكاء الأعمال على إدارة الأزمات – دراسة ميدانية على العاملين فى شركات البترول”، حيث تم توزيع (218) قائمة استقصاء على العاملين فى شركات البترول، وتم استخدام اختبار “ألفا كرونباخ” لقياس صدق الاستجابات، وكذلك ثبات فقرات قائمة الاستقصاء، التكرارات والنسب المئوية والمتوسط الحسابي والانحراف المعياري ومعامل الاختلاف ويستخدم هذا الأمر […]