List of Articles MS-EGARCH طبقه بندی JEL : G12 Open Access Article Abstract Page Full-Text 1 - Investigating the asymmetric effects of high-frequency transactions on the returns of companies listed on the Tehran Stock Exchange (using the MS-EGARCH model) Alireza Zafarpour Ahmed Sarlak Gholam Ali Haji 10.30495/fed.2023.707998