McAleer, Michael; Martinet, Guillaume Gaetan - Facultad de Ciencias Económicas y Empresariales, … - 2015
) specification can capture asymmetry, which refers to the different effects on conditional volatility of positive and negative … effects of equal magnitude, and leverage, which refers to the negative correlation between the returns shocks and subsequent … properties of the QMLE for the EGARCH(p,q) model is the lack of an invertibility condition for the returns shocks underlying the …