(جامعة الوادي University of Eloued, 2023-12-30) بوخاري بولرباح
This study aimed to try to model the fluctuations of the daily series of Brent oil prices, using
autoregressive models conditioned by the instability of the variance, during the period of the covid19 pandemic, specifically from 12/12/2019 to 26/01/2022, which is considered one of the Most of
the periods that witnessed a significant change in Brent oil prices, due to the force majeure
conditions witnessed by the oil market.
