This is the third time this question has been posted.
Sorry, no one so far seems to have anything to say.
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Nick
[email protected]
Natalia Ferreira
> I�m estimating a Heckman wage equation to migrants and
> not migrants, and
> after all I want to compare them by a Oaxaca decomposition,
> but I have a
> question: there is any problem if my Heckman equation have
> some dummies? How
> "decomp" command deal with the dummies variables? Does it
> take means of
> zeros
> and ones? The results of my "decomp" give me discrimation %
> of -301.0 (D/R).
> The % should not be between 0-100? The results are below:
>
>
> Summary of decomposition results (as %)
> -------------------------------------------
> Amount attributable: | -10.3
> - due to endowments (E): | 5.2
> - due to coefficients (C): | -15.5
> Shift coefficient (U): | 11.6
> Raw differential (R) {E+C+U}: | 1.3
> Adjusted differential (D) {C+U}: | -3.9
> ---------------------------------+---------
> Endowments as % total (E/R): | 401.0
> Discrimination as % total (D/R): | -301.0
> -------------------------------------------
>
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