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by garchrookie
Thu Jan 29, 2009 1:39 am
Forum: Econometric Discussions
Topic: GARCH or MGARCH: Goodness of fit?
Replies: 0
Views: 3537

GARCH or MGARCH: Goodness of fit?

For a linear regression model, we examine the R-square for the goodness-of-fit.

How about the GARCH model?

How about the M-GARCH model?

Likelihood function or other information criterion?
by garchrookie
Thu Jan 29, 2009 1:22 am
Forum: Econometric Discussions
Topic: Univariate GARCH(1,1): Which mean eq spec is right?
Replies: 1
Views: 6748

Univariate GARCH(1,1): Which mean eq spec is right?

Let's say I try to estimate a univariate GARCH(1,1) with two different specifications of the mean equation. Specification 1: Mean equation: y_t = Constant + e_t, Variance equation = GARCH(1,1) Specification 2: Mean equation: y_t = Constant + y_t-1+e_t-1 + e_t , Variance equation = GARCH(1,1) (Note: ...

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