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RE: st: Interpretation of nldecompose regression output

From   Ilaria Maselli <>
Subject   RE: st: Interpretation of nldecompose regression output
Date   Thu, 13 Oct 2011 14:40:15 +0200

Unfortunately I do not have access, but I checked the presentation about
Two things are not clear:
- which is the true result: the one with Omega = 0 or Omega = 1?
- why there is no significance level like in the output of the Oaxaca
- how to interpret the coefficient. For example, taking omega=1, does it
mean that 25% of the wage differential is due to different characteristics
and 75% to discrimination?

Many many thanks for your help!
      Results |      Coef.  Percentage
Omega = 1    |
         Char |  -.4017469    24.7564%
         Coef |  -1.221053    75.2436%

-----Original Message-----
[] On Behalf Of Maarten Buis
Sent: Thursday, October 13, 2011 2:26 PM
Subject: Re: st: Interpretation of nldecompose regression output

On Thu, Oct 13, 2011 at 11:49 AM, Ilaria Maselli wrote:
> Therefore I am stuck again with nldecompose and the output I have
> to interpret.

Did you read the article which introduced -nldecompose-?

M. Sinning, M. Hahn, and T. K. Bauer (2008) "The Blinder-Oaxaca
decomposition for nonlinear regression models" The Stata Journal,
8(4): 480-492.

Hope this helps,

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