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Re: st: Problem with -estat endogenous- after -ivregress gmm- with time-series operators


From   "Brian P. Poi" <[email protected]>
To   [email protected]
Subject   Re: st: Problem with -estat endogenous- after -ivregress gmm- with time-series operators
Date   Fri, 26 Jun 2009 12:01:32 -0500 (CDT)

On Fri, 26 Jun 2009, Michael Hanson wrote:

As the subject might give away, I believe I have found an obscure bug (a term I don't use lightly) with -estat endogenous- following an -ivregress gmm- estimation in which one or more of the variables in the estimation use Stata's time series operators. Below is a stylized estimation problem (based loosely on Campbell & Mankiw, 1989, for the curious) that exhibits the apparent bug.
...

With the announcement of Stata 11 in a month or so, I'm still hoping this issue will be fixed in an update to Stata 10.

Thanks for any assistance,
Mike


This is a bug in the Stata 10 version of -ivregress-, and it will be fixed in a forthcoming ado-file update.

Incidentally, Stata 11 does not have this problem. In Stata 11, the Mata functions st_data() and st_view() allow you to specify time-series- operated variables and factor variables directly without having to use a utility beforehand to create temporary variables.


   -- Brian Poi
   -- [email protected]


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