The more I think about it, the more i think the first variable is redundant. How about a simpler interface like
 
 svar_identification;
    exclusion lag 0;
    equation 1, c;
    equation 1, k;
   end;
 
The example above says that c and k do not enter the first equation at lag 0.
 
We also could have done it as I once suggested for more general linear restrictions:
 
&(1,c,0)=0
&(1,k,0)=0
 
but as long as the other approach does the job I am fine with it too.
 
Junior
 


 
On Thu, Dec 3, 2009 at 12:51 PM, Michel Juillard <michel.juillard@ens.fr> wrote:
houtan wrote:
Also, regarding the upper and lower cholesky options, is the following output OK:
almost:
options_.ms.upper_cholesky = 1;
options_.ms.lower_cholesky = 1;
the options are just variables, they must have a value

Best

Michel

Thanks,
Houtan




On Wed, Dec 2, 2009 at 4:58 PM, houtan <houtanb@gmail.com <mailto:houtanb@gmail.com>> wrote:

   Hello,

   How should the following input be handled:
   svar_identification;
    exclusion lag 0;
    equation 1, y, c;
    equation 1, c, k;
   end;

   Should this be
   1) Invalid. Stop execution and tell user why
   2) Valid. Combine the Symbol List to be y, c, k
   3) Valid. Overwrite Symbol List as c, k and warn user

   I'm guessing 1), but just wanted to make sure everyone agrees.

   Best,
   Houtan



   On Tue, Dec 1, 2009 at 10:29 AM, Michel Juillard
   <michel.juillard@ens.fr <mailto:michel.juillard@ens.fr>> wrote:

       I have updated SWZ in SVN to include changes that were already
       present in what I presented last week.

       I have added to the wiki a detailed description of the
       interface for SVAR exclusion restriction in
       http://www.dynare.org/DynareWiki/SvarExclusionInterface

       the Qi and Ri matrices should be implemented by Houtan in the
       preprocessor. Karl and Stephane have just to write a small
       identification/exclusions.m and identification/lower_cholesky.m

       All the best,

       Michel



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--
"You can never know everything", Lan said quietly, "and part of what you know is always wrong. Perhaps even the most important part. A portion of wisdom lies in knowing that. A portion of courage lies in going on anyway." Robert Jordan, Winter's Heart, Book IX of the Wheel of Time.

We have not succeeded in answering all of our problems. The answers we have found only serve to raise a whole set of new issues. In some ways we are as confused as ever, but we believe we are confused on a higher level and about more important things. (cited in Øksendal, 1985)