
From  "Brian P. Poi" <bpoi@stata.com> 
To  statalist@hsphsun2.harvard.edu 
Subject  Re: st: How to obtain standard errors for the 2SLAD model (qreg):Theory behind... 
Date  Tue, 13 Jun 2006 09:42:44 0500 (CDT) 
On Tue, 13 Jun 2006, Alexandros Zagg wrote:
Alexandros,Dear STATAlisters, Follow the instructions given by Statacorp's Brian P. Poi in the statalist dated 26 Sep 2003 (look below) I was wondering how bootstrapping will actually correct the standard errors? Could anybody briefly outline the theory or direct me to any references? Also, is it possible to perform tests such as the exogeneity test of instruments or a test of overidentification assumption? Many thanks for your time! Alexandros
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