El BAKKOUCHI M, ELLIACHE FZ. Modeling Volatility and Persistent Shocks in Metal Prices: A Markov Regime-Switching DGARCH Approach Applied to the London Metal Exchange. RFREG [Internet]. 14oct.2025 [cité 31mai2026];6(10). Disponible sur: https://revuefreg.fr/index.php/home/article/view/2394