[1] | [2] | |||
INFDUM-augmented AR-EGARCH (1, 1) model | AR-EGARCH (1, 1) model | |||
Coefficient | Z-value | Coefficient | Z-value | |
Mean equation | ||||
Constant | 0.674 | 0.000 | 0.580 | 0.000 |
AR (1) | 0.449 | 0.000 | 0.597 | 0.000 |
AR (5) | 0.476 | 0.000 | 0.110 | 0.000 |
AR (11) | 0.215 | 0.000 | 0.113 | 0.000 |
m1t | 0.466 | 0.060 | 0.466 | 0.060 |
m3t | 0.158 | 0.000 | ||
m6t | −0.376 | 0.047 | −0.488 | 0.000 |
m7t | −0.916 | 0.000 | −0.875 | 0.000 |
m8t | −1.485 | 0.000 | −1.505 | 0.000 |
m9t | −1.725 | 0.002 | −1.305 | 0.000 |
m10t | −0.759 | 0.000 | ||
Variance equation | ||||
Intercept | 0.225 | 0.067 | 0.345 | 0.087 |
β1 | 0.118 | 0.057 | 0.125 | 0.033 |
β2 | 0.272 | 0.003 | 0.288 | 0.057 |
β3 | 0.925 | 0.000 | 0.928 | 0.000 |
β4 | −0.223 | 0.036 | ||
Q (6) | 6.066 | 0.194 | 5.192 | 0.268 |
Q (12) | 10.546 | 0.394 | 15.547 | 0.124 |
Q2 (6) | 1.268 | 0.867 | 2.446 | 0.647 |
Q2 (12) | 3.993 | 0.957 | 5.287 | 0.873 |