TY - JOUR AU - بلگوریان, میثم AU - حاجی زاده, بابک AU - افشاری راد, مجید TI - Comparing the performance of downside arbitrage pricing theory (D-APT) and reward beta approach (RBA) in predicting stock returns in Tehran Stock Exchange JO - Financial Economics VL - 15 IS - 56 SP - 25 EP - 58 PY - 2021 DO - 10.30495/fed.2021.687869 ER -