List of Articles Open Access Article Abstract Page Full-Text 1 - 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 2 - The Analysis of Pricing Behavior of Firms in the Iranian Economy, Applying Wavelet Transforms Method Pooya MohammadMehdi Reza Najarzade Hassan Heydari 10.30495/eco.2019.672515 Open Access Article Abstract Page Full-Text 3 - Design a Model for Measuring the Dynamics Volatility Connectedness of Tehran Stock Exchange and Global Markets Nasser Gholami Teymor Mohammadi abdolrasoul ghasemi 10.30495/eco.2020.674204 Open Access Article Abstract Page Full-Text 4 - The Test of Trade Balance Effect Symmetry and the Incidence of Effects of Monetary Policy on Output and Inflation seyyedeh sajedeh pourmohammadi amir mansour tehranchian saeed rasekhi 10.30495/eco.2020.672516 Open Access Article Abstract Page Full-Text 5 - The effects of crude oil prices in the world market on regional prices of gas, Vector Error Correction approach Ali Aghili Moghaddam Ebrahim Abbassi Shahriar Nessabian Marjan Damankeshideh 10.30495/eco.2020.674205 Open Access Article Abstract Page Full-Text 6 - 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 7 - Identifying Factors Affecting Non-curent Debts of Banks Using Neural Networks and Support Vector Machine Algorithm sajjad kordmanjiri iman dadashi zahra Khoshnood hamid reza gholamnia roshan 10.30495/eco.2020.672520