About GIRF and it's confidence interval

Questions and discussions on Vector Autoregressions
kgb0959
Posts: 2
Joined: Sun Apr 11, 2010 6:22 am

About GIRF and it's confidence interval

Unread post by kgb0959 »

Hello everyone:
I get some problem about generlaized impulse response function and it's confidence interval.There is a VAR model of fiscal issue of goverment in my thesis,I am tring to use GIRF to explain the behavior of goverment when they has a shock on their budget,here is the question,I want to know how do I make the GIRF and simulate the model to get the GIRF's confidence interval by RATS?Can someone help me?Thanks
kgb0959
Posts: 2
Joined: Sun Apr 11, 2010 6:22 am

Re: About GIRF and it's confidence interval

Unread post by kgb0959 »

I got it,but how to make the confidence interval of GIRF?by using simulation?or there has other ways to figure out?
TomDoan
Posts: 7814
Joined: Wed Nov 01, 2006 4:36 pm

Re: About GIRF and it's confidence interval

Unread post by TomDoan »

You can easily adapt the montevar procedure. This is actually described in that thread.

Make a copy of montevar.src; call it say, montegirf.src. Replace the IMPULSE instruction in it with

Code: Select all

   impulse(noprint,model=model,decomp=sigmad*inv(%diag(%sqrt(%xdiag(sigmad)))),results=impulses,steps=steps)
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