List of Articles OPEC Open Access Article Abstract Page Full-Text 1 - Forecasting of OPEC's Global Crude Oil Demand using Vector Self-Engagement Models, Collective Exploration and Gravitational Search heshmatolah asgari mohammadreza omidi zahra malekinia ALIAKBAR OMIDI Open Access Article Abstract Page Full-Text 2 - The effect of uncertainty in exports on economic development in OPEC member countries AhmadAli Asadpour Open Access Article Abstract Page Full-Text 3 - Simulating and Forecasting OPEC Oil Price Using Stochastic Differential Equations R. Farnoosh P. Nabati M. Azizi Open Access Article Abstract Page Full-Text 4 - The Importance (Significance) of Regionalism and its Role in Development عبدارضا Farajizadeh Open Access Article Abstract Page Full-Text 5 - Investigation of Per capita CO2 Dynamics in OPEC Countries (β and σ Convergence Approach) Davoud Hamidi Razi Majid Feshari 10.22034/jest.2017.10705 Open Access Article Abstract Page Full-Text 6 - Investigation of Weak Form Efficiency Hypothesis in Both High and Low Volatility Regimes of OPEC Crude Oil Market mahmood mohammadi alamuti mohammad reza haddadi younes nademi Open Access Article Abstract Page Full-Text 7 - Spillover between OPEC oil Price and Equity Markets Considering Business Cycles and Structural Breakdown (Case study; GCC Countries and Iran) morteza bavaghar Mahdi faghani Mohammad Hossein Ranjbar Open Access Article Abstract Page Full-Text 8 - Feasibility study of the pricing of crude oil by OPEC and OECD countries using game theory in the form of a win– win Reza Fahimi Doab Ahmad Sabahi M. H. Mahdavi Adeli Ahmad Seyfi Open Access Article Abstract Page Full-Text 9 - The relationship between energy production and consumption with greenhouse gas emissions, a case study: Arab countries of OPEC in the Persian Gulf region (the UAE, Iraq, Arabia, Kuwait, and Qatar) Allahbakhsh Kavoosi Arian Kavoosi Open Access Article Abstract Page Full-Text 10 - The impact of financial and trade liberalization on financial development in OPEC member countries Majid Amirpour Sorkhi Shayesteh Varedi Kosar Badiee Open Access Article Abstract Page Full-Text 11 - Trade Specialization and Export Productivity in OPEC: An Emphasis on Iran’s Position Mohsen Pourebadollahan Covich Nasim Mehin Aslaninia Fakhri Sadat Mohseni Zonuzi Open Access Article Abstract Page Full-Text 12 - Investigating the differential characteristics of leaf anatomical structure in the taxonomy of seven species Alopecurus (Poaceae) in Iran محبوبه kh مصطفی asadi مجتبی khayam nkoee Open Access Article Abstract Page Full-Text 13 - Return and Volatility of International Oil Price and Stock Index in OPEC Member Countries esmaiel abounoori hamed ziyaoddin 10.30495/eco.2020.674198 Open Access Article Abstract Page Full-Text 14 - The Effect of OPEC Statements on Fluctuations in Crude Oil Prices Fariba Shahbodaghlou Aliasghar Esmaeilnia gatabi azadeh mehrabian ROYA SEIFIPOUR 10.30495/eco.2020.674206 Open Access Article Abstract Page Full-Text 15 - Asymmetric Effects of Oil Price Shocks on Economic Growth of OPEC and OECD by focusing on Shocks Setting and Regime Changes Nader Mehregan Mahmood Haghani Younes Salmani Open Access Article Abstract Page Full-Text 16 - Analysis of the Evolutionary Game Theory among Iran & Saudi Arabia in the Context of Genetic Algorithm samaneh khatami alireza shakibaee Open Access Article Abstract Page Full-Text 17 - Impact of Fiscal Policy Shocks on Cyclical and Structural Budget Balance in OPEC Member Countries marzieh dindarrostami Shamsollah Shirinbakhsh Zahra Afshari Open Access Article Abstract Page Full-Text 18 - Studying the Effect of Non-OPEC Member States Supply on the Price of Petroleum Mohammad-Ali Khatib Semnani Ali Asghar Esmailnia Marjan Dehabadi Open Access Article Abstract Page Full-Text 19 - Determination of Nutritional Value in Three Forage Species in Three Phonological Stages in Sabalan Rangelands, Ardebil, Iran Abazar Ghanbari Mahmood Sahraei Open Access Article Abstract Page Full-Text 20 - Applying multivariate DCC-FIAPARCH model in examination of dynamic conditional correlation between monetary and financial markets in Iran Mehrdad Dadmehr Hashem Nikoumaram Mir Feyz Fallah Open Access Article Abstract Page Full-Text 21 - Modeling and Forecasting Evaluation of Different Models of Short-Term Memory, Long-Term Memory, Markov Switching and Hyperbolic GARCH in Forecasting OPEC Crude Oil Price Volatility mahmood mohammadi alamuti Mohammadreza Haddadi Younes Nademi Open Access Article Abstract Page Full-Text 22 - The impact of natural resource abundance on economic growth and the role of quality institutions shima mansoorabadi جلیل خداپرست شیرازی