Hi  Michel,

I have a problem with the last commits regarding check:

I have a model with unit roots whre the first order solution is found without problems (no error in dynare_resolve). However with the new check, I get the message where the accounting of explosive roots is OK, but the rank condition is not.

Any clue?
thanks  a lot
Marco

On 9/10/2012 12:00 PM, Michel Juillard wrote:

Hi Johannes,

your answer on the forum is problematic, because the colinearity in this model is to be expected because of the unit roots.

Here, the unit roots are not the problem, but there is another one that makes Z22 singular.

Best

Michel
 

On 09/10/2012 11:18 AM, Johannes Pfeifer wrote:

Hi all,

sorry for bothering you again with this issue, but I still think it is extremely unfortunate to base the printout of errors and the display of check on different criteria. This results in user problems like:

http://www.dynare.org/phpBB3/viewtopic.php?f=1&t=4049

In this post, there is rank deficiency, which is correctly detected by Dynare, but the output of check does not state this. If I remember correctly, some time ago Michel argued that this behavior is desired, but I can’t remember the argument. I personally find this behavior confusing and would suggest to open a ticket making the behavior consistent.

 

Best,

 

Johannes

 

 

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Johannes Pfeifer

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72076 Tübingen

Tel.: +49-(0)7071-6396184

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jpfeifer@gmx.de

 

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