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st: RE: IV with many dummies


From   "Schaffer, Mark E" <M.E.Schaffer@hw.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: IV with many dummies
Date   Mon, 2 May 2011 16:02:01 +0100

Alex,

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu 
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of 
> Alex Kaufman
> Sent: 02 May 2011 15:57
> To: statalist@hsphsun2.harvard.edu
> Subject: st: IV with many dummies
> 
> Hi,
> 
> I want to run an instrumental variables regression with a 
> large number of dummy variables (about 60,000).  Is there an 
> "areg" version of ivreg?  Any other ideas about how I could 
> do this?  If I don't absorb the variables the regression 
> would take a very, very long time.

Are these fixed-effect-type dummies?  If so, you can just use official -xtivreg- or unofficial -xtivreg2-, both with the -fe- option.

--Mark

> Thanks a lot,
> Alex
> 
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