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Re: st: Spatial estimation techniques on panel data - spatreg possible?


From   Phil1899@gmx.de
To   statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu
Subject   Re: st: Spatial estimation techniques on panel data - spatreg possible?
Date   Wed, 18 Feb 2009 18:37:57 +0100

Hi, 

thanks for the link. Actually, I have already that presentation. The last line on page 30 refers to GMM estimation, while spatreg command relies on ML estimation. In particular, I read a paper where ML was used to estimate a spatial lag model on panel data which is not that different from my approach. That was why I was wondering whether there was a way to use that command on panel data? 

Best regards

Phil



-------- Original-Nachricht --------
> Datum: Wed, 18 Feb 2009 11:45:35 -0500
> Von: Austin Nichols <austinnichols@gmail.com>
> An: statalist@hsphsun2.harvard.edu
> Betreff: Re: st: Spatial estimation techniques on panel data - spatreg 	possible?

> See
> http://www.stata.com/meeting/snasug08/drukker_spatial.pdf
> esp. the last line on page 30.
> 
> On Wed, Feb 18, 2009 at 11:10 AM,  <Phil1899@gmx.de> wrote:
> > Hello,
> >
> > I am new on the subscriber list. I currently try to estimate a model
> explaining bilateral multinational activity which is augmented by a spatial
> lag. My problem is that I want to use panel data and that the spatreg
> commands only work for cross-sections. I saw an earlier question in this context
> on Statlist which was not further treated due to the lack of theory.
> However, there are a number of economic papers which have already applied spatial
> estimation techniques on panel data.
> >
> > The basic problem is that the weighting matrix is constructed according
> to the observations of one year only. I am now wondering whether it is
> possible to somehow tell STATA that the vector of the dependent variable should
> be multiplied with the weighting matrix for each year seperately?
> >
> > Another possibility would be to manipulate the data in this way before
> loading it to STATA. However, then it is obviously not possible to use the
> spatreg commands anymore.
> 
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