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Subject:
From:
ali ozdogan <[log in to unmask]>
Reply To:
Political Methodology Society <[log in to unmask]>
Date:
Wed, 6 Aug 2008 17:50:55 -0700
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Hi Cristopher,
You can use Eviews 6.0. Open/create a data file (i.e. workfile), and click on the "Estimate VAR" on the "Quick" menu. A control panel will show up. On the panel, you can define your constraints under the "VEC Restrictions" and "Cointegration" menu.

--Ali Ozdogan




----- Original Message ----
From: Christopher Kam <[log in to unmask]>
To: [log in to unmask]
Sent: Wednesday, August 6, 2008 8:19:21 PM
Subject: [POLMETH] Identification via var-cov restrictions

Hi Folks,



I am trying to estimate a system of equations, and I would like to be able
to identify the system by constraining elements of the variance-covariance
matrix rather than by excluding an exogenous instrument from each equation
(as per Erikson & Palfrey 2000). The Stata folks tell me that there is no
command or .ado file to do this in Stata.  1) Does anybody know otherwise?
2) Can anybody recommend software that can do this? 3). and if the answer to
Question 2 is R, what library etc. do I need?



Thanks,

Chris



Christopher Kam

Assistant Professor

Department of Political Science

C-459 Buchanan, 1866 Main Mall

University of British Columbia

Vancouver, BC 

CANADA

V6T 1Z1



Tel: 604-822-6606

Fax: 604-822-5540




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             Political Methodology E-Mail List
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