نتایج جستجو برای: opec countries

تعداد نتایج: 256444  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده اقتصاد و حسابداری 1392

شاخص شدت انرژی بیانگر میزان مصرف حامل های انرژی به ازای یک واحد فعالیت (تولید و یا ارزش افزوده) می باشد. با توجه به نقش و اهمیت این شاخص در اقتصاد کشورها، در این پژوهش مطالعه تطبیقی عوامل موثر برشدت مصرف انرژی درکشورهای منتخب oecd,opecطی بازه زمانی 2010-1970 صورت گرفته است و از مدل اقتصاد سنجی پانل دیتا استفاده شده است. در طی سالهای مورد بررسی در این تحقیق، بر اساس یافته های پژوهش و نتایج تخمین...

Journal: :Resources Policy 2021

This paper contributes to the discussion of role that terrorism plays in oil production and prices literature by studying dynamics terrorist attacks OPEC. To this purpose, we use techniques based on fractional integration, cointegration VAR (FCVAR) wavelet analysis. Monthly data related OPEC production, basket crude from January 1970 December 2018 are used. The results, using integration techni...

Journal: : 2022

The energy problem in the conditions of modern economic development has acquired a particularly large scale: this is due to elevated level environmental pollution from conventional sources and their limited amount Earth’s interior. This forced countries develop new, renewable sources. However, it relevant consider prospects for exporting countries, namely oil supplier states. Thus, purpose stud...

2007
Svetlana Maslyuk Russell Smyth

While there is good reason to expect crude oil production to be non-linear, previous studies that have examined the stochastic properties of crude oil production have assumed that crude oil production follows a linear process. If crude oil production is a non-linear process, conventional unit root tests, which assume linear and systematic adjustment, could interpret departure from linearity as ...

Journal: :Poslovna izvrsnost - Business excellence 2019

Journal: :Journal of Mathematics and Computer Science 2014

Journal: :international journal of information science and management 0
haruna chiroma faculty of computer science and information technology, university of malaya, kuala lumpur, malaysia adeleh asemi zavareh faculty of computer science and information technology, university of malaya, kuala lumpur, malaysia mohd sapiyan baba faculty of computer science, gulf university of science and technology, kuwait adamu i. abubakar faculty of information and communication technology, international islamic university kuala lumpur, malaysia abdulsalam ya’u gital mathematics program, school of science, abubakar tafawa balewa university, bauchi, nigeria fatima umar zambuk mathematics program, school of science, abubakar tafawa balewa university, bauchi, nigeria

this research studies the application of hybrid algorithms for predicting the prices of crude oil. brent crude oil price data and hybrid intelligent algorithm (time delay neural network, probabilistic neural network, and fuzzy logic) were used to build intelligent decision support systems for predicting crude oil prices. the proposed model was able to predict future crude oil prices from august...

Journal: :Frontiers in Environmental Science 2022

Oil rents significantly contribute to income in OPEC member economies and could have environmental consequences. The present study explores the asymmetrical effects of oil on CO 2 emissions 13 current using a period 1970–2019, also tests Environmental Kuznets Curve (EKC) hypothesis. Long-run results show that economic growth has positive effect, its square term negative effect Algeria, Congo, G...

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