Historical decomposition on VECM vs VAR

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sk1234
Posts: 2
Joined: Tue Aug 06, 2024 5:10 am

Historical decomposition on VECM vs VAR

Postby sk1234 » Wed Sep 25, 2024 12:11 am

Hi,

I am wondering whether it is normal to get such different historical decomposition results when performed on a VECM versus a VAR. I have checked that the VAR is stable and that the equivalent VECM is also stable so I am unsure why this is happening. Please see images attached. The VAR one looks normal, but the VECM looks off (for all variables not just the one attached).

Both use the same identification process (Choleksy df adjusted) with the same ordering.

I am using eviews 12. The same problem occurs with eviews 13.

Cheers,
Attachments
decompvecm1.pdf
(30.09 KiB) Downloaded 323 times
decompvar.pdf
(52.16 KiB) Downloaded 334 times

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