Dependent Variable: PORTFOLIO1
Method: ML - ARCH
Date: 02/28/10 Time: 20:47
Sample: 4/04/2006 2/19/2010
Included observations: 1000
Convergence achieved after 10 iterations
Presample variance: backcast (parameter = 0.7)
GARCH = C(2) + C(3)*RESID(-1)^2 + C(4)*GARCH(-1)
Variable Coefficient Std. Error z-Statistic Prob.
C 0.000645 0.000448 1.440723 0.1497
Variance Equation
C 2.74E-06 9.28E-07 2.947804 0.0032
RESID(-1)^2 0.088722 0.013788 6.434565 0.0000
GARCH(-1) 0.906911 0.013616 66.60508 0.0000
R-squared -0.002301 Mean dependent var -0.000416
Adjusted R-squared -0.005320 S.D. dependent var 0.022127
S.E. of regression 0.022185 Akaike info criterion -5.305212
Sum squared resid 0.490226 Schwarz criterion -5.285581
Log likelihood 2656.606 Hannan-Quinn criter. -5.297751
Durbin-Watson stat 1.847090
请问这里面哪个是GARCH(1,1)中, ht=w+a*e^2+b*ht-1, 请问这里面w,a,b分别是什么??