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Re: st: dummy variable

From   "Jing Zhou" <>
To   <>
Subject   Re: st: dummy variable
Date   Fri, 16 Sep 2011 18:51:10 +1000

Thanks Maarten, it measues whether the second largest shareholder of a
listed company is a state shareholder.


>>> Maarten Buis <> 16/09/11 6:02 下午 >>>
On Fri, Sep 16, 2011 at 2:09 AM, Jing Zhou wrote:
> I have a sample period from 2000-2009. now I am considering to add a
dummy variable into the regression. for the year of 2009, only 24 out of
550 observations (<5%) valued at 1 of this dummy. for 2008, 31 out of
502 observations (<5%) valued at 1. further, for the year of 2000-2002,
the missing value rate is 61.19%, 31.91%, and 13.33%, respectively. for
other variables of the regression, i can get relatively complete data
value of each observation. therefore, is it still necessary to include
this dummy in my regression? thanks!

What is this dummy variable supposed to measure?

-- Maarten

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen

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