List of Articles مدل چهار عاملی کارهارت Open Access Article Abstract Page Full-Text 1 - A Comparison of Explanation Power of Karhart And HXZ Model at Basic Form and by Using Conditional Dual-Beta Hossein Aboutalebi Mohsen Dastgir Gholamreza Soleimani Amiri Open Access Article Abstract Page Full-Text 2 - Evaluating the Sequrity Selection Skill and Market timing Ability of Iranian Mutual Fund Managers Hashem Nikoomaram Azadeh Farahani Open Access Article Abstract Page Full-Text 3 - Evaluating the Performance of Investment Companies’s ManagersinTehran Stock Exchange Mahmoud Lari Dashtbayaz Mohammad reza behmanesh Mahboubeh Fatemi