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st: -qvf- : endogeneity and negative binomial model

From	Justina Fischer <[email protected]>
To	[email protected]
Subject	st: -qvf- : endogeneity and negative binomial model
Date	Sun, 21 Oct 2007 21:23:12 +0200

Hi
in a previous threat (e.g. http://www.stata.com/statalist/archive/2005-01/msg00464.html by Vince Wiggins) the applicability of -qvf- to an endogenous variable in a probit model was discussed. The conclusion was that it should not be applied to cases of reverse causality, but well to cases of measurement errors.
Is this also the cause for a negative binomial model, in which I case I would then resort to ivtobit and ivreg2 ?
Thanks
Justina

Dr. Justina A.V. Fischer, M.A.University of St. GallenCH-9000 St. Gallen

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