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Re: st: Instrumental Variable


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Instrumental Variable
Date   Fri, 30 Sep 2011 11:12:12 -0400

Eric Uslaner <euslaner@gvpt.umd.edu>:
Unless the concern is solely about measurement error.  I doubt that is
the case here.
-egen- can make an average by industry and year, but of course the
interpretation is key in any IV model.

On Fri, Sep 30, 2011 at 9:00 AM, Eric Uslaner <euslaner@gvpt.umd.edu> wrote:
> On Thu, Sep 29, 2011 at 3:02 AM, donsaane <donsaane@yahoo.fr> wrote:
>
>> I have an endogeneity problem with one my variables : corruption and I want
>> to control it with an instrumental variable: amount of bribes averages per
>> industry.
>>
>> Is there any stata command to compute the average ? How can I construct my
>> instrumental variable?
>
> Sorry, but trying to instrument corruption with bribes paid is like trying to instrument Fahrenheit temperature with Celsius (from someone who has published a university press book on corruption).  Find a better instrument.
>

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