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Re: st: Exogeneity Test for Tobit in STATA
From
Austin Nichols <[email protected]>
To
[email protected]
Subject
Re: st: Exogeneity Test for Tobit in STATA
Date
Fri, 13 Jan 2012 11:07:39 -0500
Pattarawan Watcharaanantapong <[email protected]>:
You might want to look at
http://stata.com/meeting/boston10/boston10_nichols.pdf
and try out some examples in the -gmm- manual entry that are analogous
to examples for -ivregress-.
There is no simple advice on choosing a good instrument; it requires
good institutional knowledge and good econometric intuition.
On Wed, Jan 11, 2012 at 1:30 PM, Pattarawan Watcharaanantapong
<[email protected]> wrote:
> Hello Everyone,
>
> I have some questions, do you know what is different between
> exogenous, endogenous, and instrument variables? and How can I choose
> variable to be instrument variable? Thank you.
>
> Tan
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