OUMOU KALSOUM DIALLO, PIERRE MENDY. Impact of Subprime and Covid-19 crises on WAEMU stock exchange efficiency: a classic Hurst vs dynamic Hurst approach. BMI [Internet]. 16mai2024 [cité 1avr.2026];176(1):24. Disponible sur: https://journaleska.com/index.php/bmi/article/view/9430