TY  - JOUR
AU  - Jafari, Ali
AU  - Amirabdollahy, Ali
TI  - The impact of business group affiliation on investment efficiency: The mediating role of product market competition
JO  - Rahbord-e-Tousee
VL  - 22
IS  - 85
SP  - 376
EP  - 405
PY  - 2026
DO  - 
ER  -