List of Articles بتای شرطی 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 - Good fit of new models of stock return forecasting using conditional dual beta Hossein Aboutalebi mohsen dastgir Qplamreza Soleymani Amiri