Why ‘ans = Empty state-space model’ ?

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Why ‘ans = Empty state-space model’ ?

Postby leelane » Sun Nov 04, 2012 2:22 am

I defined a linear model in dynare(4.2.5),and the result was
ans =

Empty state-space model.
. I don't know how it happened. the .mod is in the attachment. Please help me .
Attachments
ss.mod
(5.54 KiB) Downloaded 156 times
leelane
 
Posts: 14
Joined: Fri Oct 05, 2012 7:59 am

Re: Why ‘ans = Empty state-space model’ ?

Postby jpfeifer » Sun Nov 04, 2012 8:38 am

First, correct the typos. There is a = missing after rhonistar. Also, stl_d_f should be stdl_d_f
------------
Johannes Pfeifer
University of Cologne
https://sites.google.com/site/pfeiferecon/
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Location: Cologne, Germany

Re: Why ‘ans = Empty state-space model’ ?

Postby leelane » Mon Nov 05, 2012 1:11 am

Thank for pointing out my graphic error. In fact, I have correct them ,and the reason of this results from the name "ss". I changed the name, and it worked. However, there always be another problem about the BK condition, like this:
Blanchard Kahn conditions are not satisfied: indeterminacy
.
I don't know how to solve it. In my opinion, the paremeters in the model could not be wrong, so the model equtions must be changed. How will I change them? Any suggestions? I am not sure about it.
Attachments
linesteadystate.mod
(5.51 KiB) Downloaded 126 times
leelane
 
Posts: 14
Joined: Fri Oct 05, 2012 7:59 am


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