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Re: st: multicollinerity in panel data


From   Guo Xu <digitalepourpre@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: multicollinerity in panel data
Date   Mon, 7 May 2012 00:39:23 +0100

Hi Ozgur,

Have a look at:

http://www.ats.ucla.edu/stat/stata/webbooks/reg/chapter2/statareg2.htm

That said, multicollinearity is usually not a major concern in applied
work unless you have almost perfect multicollinearity because you
accidentally entered the same variable twice, .e.g. in a transformed
and untransformed form.

When regressors are highly dependent, it is difficult to disentangle
impacts between the explanatory variables. The SEs will be larger but
the point estimates are still ok. Endogeneity is a more serious
problem.



On 7 May 2012 00:06, Ozgur Ozdemir <ozdemirozgur@hotmail.com> wrote:
>
> Hi
> I am using Stata 10 and doing a panel data analysis. My panel is unbalanced and has 10000 firm year observations. I am using the areg to do my analysis and would like to know how I can test for multicollinerity. in addition, is there any way to find our post areg tests?
>
>
>
>
> kind regards
> Ozgur Ozdemir
>
>
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