TY - JOUR TI - The relation between implied and realized volatility AU - Bent Jesper Christensen AU - Nagpurnanand R. Prabhala JO - Journal of Financial Economics PY - 1998 VL - 50 IS - 2 DO - 10.1016/s0304-405x(98)00034-8 UR - https://doi.org/10.1016/s0304-405x(98)00034-8 ER -