[Gretl-users] VECM alpha restrictions

Allin Cottrell cottrell at wfu.edu
Tue Jan 11 11:10:06 EST 2011


On Tue, 11 Jan 2011, Riccardo (Jack) Lucchetti wrote:

> On Tue, 11 Jan 2011, Allin Cottrell wrote:
>
> > Part of my motivation for the switch was that if you give a
> > restriction such as "a[1] = 0" (with a single index) this means
> > that all EC coefficients in equation 1 are restricted to zero, or
> > variable 1 is weakly exogenous. And it seemed more intuitive that
> > if you give just one index it should be read as the leading one,
> > not the trailing one.
>
> This makes good sense, but does it warrant a compatibility breakage? I'm
> with Sven on this one.

OK, thanks, time to revert! This will go into CVS before long.

Allin


More information about the Gretl-users mailing list