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st: Blinder-Oaxaca decomposition - Interpretation of output
From
Bettina Lamla <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: Blinder-Oaxaca decomposition - Interpretation of output
Date
Tue, 4 Dec 2012 10:44:38 +0000
Dear all,
I perform a decomposition analysis using the Oaxaca command from Ben Jann. I have Stata 12.1.
In every specification I find the group difference to be statistically significant, however neither endowments, coefficients not the interaction between these two seem to explain the difference (not significant). I struggle with the interpretation. Can anyone help?
Thanks!
Here is a part of the output:
Blinder-Oaxaca decomposition
Number of obs = 1076
Model = linear
Group 1: east = 0 N of obs 1 = 690
Group 2: east = 1 N of obs 2 = 386
------------------------------------------------------------------------------
flit3 | Coef. Std. Err. z P>|z| [95% Conf. Interval]
------------- +----------------------------------------------------------------
overall |
group_1 | .5391304 .0192225 28.05 0.000 .5014551 .5768057
group_2 | .4378238 .0258589 16.93 0.000 .3871413 .4885063
difference | .1013066 .0322209 3.14 0.002 .0381548 .1644584
endowments | .019734 .0314114 0.63 0.530 -.0418313 .0812993
coefficients | .0345781 .0352739 0.98 0.327 -.0345575 .1037137
interaction | .0469945 .0349906 1.34 0.179 -.0215857 .1155748
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