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Antwort: Re: st: ordered logit (was: marginal effects in random effects ordered probit using GLLAMM)


From   Justina Fischer <justina.fischer@unisg.ch>
To   statalist@hsphsun2.harvard.edu
Subject   Antwort: Re: st: ordered logit (was: marginal effects in random effects ordered probit using GLLAMM)
Date   Fri, 29 Feb 2008 11:31:50 +0100

Adrian,

for discussing the magnitude you need to calculate marginal effects, which are not identical to coefficients in an order logit/probit model.


Justina


Dr. Justina A.V. Fischer, M.A.
University of St. Gallen
CH-9000 St. Gallen

-----owner-statalist@hsphsun2.harvard.edu schrieb: -----

An: statalist@hsphsun2.harvard.edu, <statalist@hsphsun2.harvard.edu>
Von: Richard Williams <Richard.A.Williams.5@ND.edu>
Gesendet von: owner-statalist@hsphsun2.harvard.edu
Datum: 29.02.2008 05:03AM
Thema: Re: st: ordered logit (was: marginal effects in random effects  ordered probit using GLLAMM)

At 05:31 PM 2/28/2008, Adrian de la Garza wrote:
>Could anyone recommend a source that discusses how to interpret
>these coefficients? I have read a few papers in the "economics of
>happiness" literature where they use these ordered logits and
>probits but they never discuss what the magnitudes of the
>coefficients mean; they care only about the coefficients' signs and
>statistical significance. Similarly, the standard Greene
>econometrics textbook has very little regarding this interpretation.

Long and Freese's book is very good on this.  See

http://www.stata.com/bookstore/regmodcdvs.html

Even if you don't get the book, download their -spost9- routines,
which you can locate with -findit-.

If you want something quickly, the notes for my categorical data
analysis class are online at

http://www.nd.edu/~rwilliam/xsoc73994/index.html

See especially

http://www.nd.edu/~rwilliam/xsoc73994/L11.pdf

http://www.nd.edu/~rwilliam/xsoc73994/L12.pdf


-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME:   (574)289-5227
EMAIL:  Richard.A.Williams.5@ND.Edu
WWW:    http://www.nd.edu/~rwilliam

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