Boubaker, Heni; Saidane, Bassem; Zorgati, Mouna Ben Saad - In: Financial innovation : FIN 8 (2022), pp. 1-22
This study examines the statistical properties required to model the dynamics of both the returns and volatility series … adequately estimate long-memory dynamics in returns and volatility. The in-sample diagnostic tests as well as out … conditional volatility and strongly support the estimation of dynamic returns that allow for time-varying correlations. A …