irf for var with mgarch in mean

Discussions of ARCH, GARCH, and related models

irf for var with mgarch in mean

Postby luxu1983 » Fri Mar 12, 2010 9:27 am

dear all
may you code the impulse-response function for a vector autoregression with multivariate GARCH-in-mean (John Elder 1995)?
Thank you :D
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Re: irf for var with mgarch in mean

Postby TomDoan » Fri Mar 12, 2010 10:56 am

Again, that is not a well-defined "function". The effect of a time t shock depends upon the GARCH covariance matrix at t, producing a different "M" term for each subsequent entry.
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