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Re: Re: st: Problems using predict in xtfrontier


From   "Scott Merryman" <scott.merryman@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: Re: st: Problems using predict in xtfrontier
Date   Thu, 30 Aug 2007 16:11:02 -0500

It is not clear to me why do not wish to use the -predict var, te- ?

Scott


On 8/29/07, Dascha Orlova <dascha.or@gmx.de> wrote:
<snip>
> But I still don't understand what sense time invariant u-estimates make in a time-variant model. For if I use any other way to calculate cost efficiency than -predict var, te- the efficiency won't vary with time because of the invariant u's. And if one considers the logic behind the model, the u's are the only cause of the time-variant efficiency scores...
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