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st: Negative restrictions in svar

From   Sebastian Gomez <>
Subject   st: Negative restrictions in svar
Date   Tue, 1 Feb 2011 08:49:42 +0000

I will estimate a svar, with short-run constraints, using acns(). I
want to impose the restriction to one coefficient so it's the negative
of other, for example
d1*x - d1*y + d2*z = e

Any idea how to do it, since the matrix in acns can only contain
positive integers?

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