List of Articles Open Access Article Abstract Page Full-Text 1 - Examine the effect of Institutional Investors on Reduce Stock Price Crash Risk Zahra Dianati Dilami Mehdi Moradzadeh Fard Saeed Mahmoudi Open Access Article Abstract Page Full-Text 2 - Day of the Week Effect in Stock Returns by using Least Mean Square (LMS) Algorithm Regression Shamsollah Shirinbakhsh Solmaz Safari Open Access Article Abstract Page Full-Text 3 - Credit risk management in the banking system - A comparative approach of Data Envelopment Analysis and Neural Network and Logistic Regression Marziyeh Ebrahimi Shghagi Abdollah Daryabor Open Access Article Abstract Page Full-Text 4 - Efficiency compared to ARIMA and ARFIMA models for modeling and prediction of Tehran Price Index (TEPIX) Habibollah salarzehi Mansoor kasha kasha Seyed-Hasan Hosseini Mohammad Donyaei Open Access Article Abstract Page Full-Text 5 - Investigation Institutional Investors Effect on Company Value Based on Managers Opportunities Behavior Hamidreza Vakilifard Foad Ghaderi Open Access Article Abstract Page Full-Text 6 - Fama and French Three-factor Model and Liquidity Risk: Evidence from Tehran Stock Exchange Market Gholamreza Islami Bidgoli Azam Honardoost Open Access Article Abstract Page Full-Text 7 - Measuring Risk Excesses in Iran’s Mutual Funds industry Hamid Kordbacheh Mohammad Javad Hozoori Ali Malmir Open Access Article Abstract Page Full-Text 8 - Analysis of the Relationships Between Capital Structure and Cumulative Abnormal Returns (case Study :Tehran securities Exchange) Shokrollah Khajavi Hashem Valipor Behrooz Hakami