TY - JOUR AU - Kashi, Mansour AU - Hosseyni, S. Hassan AU - niyazkhani, A. Sadat AU - Abdollahi, S. Amin TI - VaR modeling and back testing of short and long positions according to in Sample and out of Sample: application of family models Fractionally Integrated GARCH JO - Financial Engineering and Portfolio Management VL - 7 IS - 29 SP - 1 EP - 24 PY - 2016 DO - ER -