TY - JOUR AU - Ghiyasi, Javad AU - AhmadiShadmehri, Mohammadtaher TI - Investigating the causality direction between saffron cash and futures markets focusing on periods of boom and recession JO - Financial Knowledge of Securities Analysis VL - 14 IS - 49 SP - 163 EP - 175 PY - 2021 DO - ER -