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Re: st: comparing coefficients using suest (same sample, same DV)


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: comparing coefficients using suest (same sample, same DV)
Date   Tue, 14 Aug 2012 16:15:53 +0200

On Tue, Aug 14, 2012 at 5:00 PM, Richard Williams wrote:
> Maarten, am I correct in saying that, if the indirect effect of the x1
> variable (in this case yr89) is statistically significant, you would
> conclude that b1 is different in the two models?

I think so, though I would normally not think in those terms when it
comes to this kind of models. I would tend to think of the indirect
through yr89 as a mechanism explaining (part of) the effect of ed on
warm. So I would think of the null hypothesis of this test as "the
mechanism contributes nothing to the effect of ed on warm".

Hope this helps,
Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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