Fwd: st: standard deviation gain calculation with Stata

[Nirina F <fstata@gmail.com>]

Hello All,
I would like to know what is the magnitude of standard deviation gain
in years of schooling from residence in metro area from the following
example.
The effect of metroarea (smsa) is : 0.05 from the regression. But how
would I calculate the standard deviation gain given that the average
years of schooling is 13.4.


use http://fmwww.bc.edu/ec-p/data/hayashi/griliches76.dta

reg  s smsa iq med kww age mrt

sum s

Variable        Obs     Mean    Std. Dev.       Min     Max

s       758     13.40501        2.231828        9       18

Thank you,
Nirina
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