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st: Univariate regression with dep. var. censored at different points (duration?)


From   "Stata List" <[email protected]>
To   [email protected]
Subject   st: Univariate regression with dep. var. censored at different points (duration?)
Date   Wed, 6 Jun 2007 16:16:17 -0300

Dear All,

I would like to estimate the relationship between parents  and
children's years of education:

EduChild=a+b*EduParent

I only have data for children up to 19 years old, so some of them will
go on studying, so the b coefficient will be biased (at least it will
be if I want to infer the population's beta from this subset of the
population). The dependent variable is thus "censored" for some
observations - for those I know that are still at school when they are
observed.

Is there a way to estimate some form of Tobit model in Stata, where I
can specify different censoring points for each observation and obtain
the parameter b? Is it more convenient to attempt the estimation of b
by OLS?

Thanks in advance

AC
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