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st: RE: tobit with autocorrelated and heteroscedastic disturbances


From   "Scott Merryman" <smerryman@kc.rr.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: tobit with autocorrelated and heteroscedastic disturbances
Date   Wed, 22 Nov 2006 20:00:01 -0600

You might want to try -clad- which allows heteroskedastic errors.

Scott



> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of marco stampini
> Sent: Wednesday, November 22, 2006 8:38 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: tobit with autocorrelated and heteroscedastic disturbances
> 
> Hello.
> 
> I would need to estimate jointly two tobit equations, in which errors are
> both autocorrelated and heteroscedastic.
> Does anybody have any idea on how to solve at least part of the problem?
> 
> For example, how to take care of autocorrelation and heteroscedasticity in
> each of the two tobits?
> As a second step, if possible, how to estimate jointly?
> 
> Are you aware of any routine doing anything similar?
> 
> Thank you very much in advance,
> Marco Stampini
> 


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