Impulse Response in simple AR

[strugglingeconomist]

Hello,

I am trying to find strucutral breaks in inflation series via a simple AR(6) process. I am not using VAR but would still like to do impluse response analysis. Is this in anyway possible in eviews?

I'd really really appreciate any help.

Thank you..

[startz]

I'm not sure what this has to do with a structural break, but if you estimate an AR model and choose View/ARMA structure you can see the impulse response.

[strugglingeconomist]

Hi!

Sorry for the late reply. I wasn't informed that you had replied to my query.

I did View/ARMA structure but the error msg said: "Equation does not have ARMA terms" (I figured because it had only AR terms.. )

ps: the structural break comment was a miserably sad attempt to give you some background to what I am trying to do, which is: econometrics on inflation dynamics - so persistence, structural breaks and impulse responses on inflation series (if I can manage the last one)... Can I? Please please say yes.

[startz]

Just AR models work fine, but you have to use the AR psuedo-variable. For example, if you have an AR(2) model

Code: Select all

ls y c ar(1) ar(2)

Alternatively, you can set up a VAR with only one endogenous variable.

[strugglingeconomist]

I am not sure how you set up a VAR with only one variable. But I just did the method you described and it worked perfectly! Thank you so much

Though I didn't understand what was "1s" in the beginning...? o.O

[startz]

I am not sure how you set up a VAR with only one variable. But I just did the method you described and it worked perfectly! Thank you so much

Though I didn't understand what was "1s" in the beginning...? o.O

"LS" if used at the command line.