TY - JOUR AU - Sabzei, Elnaz AU - Hamidian, Mohsen AU - kianifar, Ali AU - Shahabadi, Saeid TI - The relationship between the cost of equity capital and social responsibility by examining the impact of the company, market risk and asset return on the Tehran Stock Exchange JO - Financial Engineering and Portfolio Management VL - 16 IS - 62 SP - 49 EP - 68 PY - 2025 DO - ER -