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Re: st: xtmixed command

From   John Antonakis <>
Subject   Re: st: xtmixed command
Date   Fri, 20 Apr 2012 08:16:27 +0200

The best explanation to what, specifically, a random (vs fixed) effects model does is here:

Bollen, K. A., & Brand, J. E. (2010). A General Panel Model with Random and Fixed Effects: A Structural Equations Approach. Social Forces, 89(1), 1-34.



Prof. John Antonakis
Faculty of Business and Economics
Department of Organizational Behavior
University of Lausanne
Internef #618
CH-1015 Lausanne-Dorigny
Tel ++41 (0)21 692-3438
Fax ++41 (0)21 692-3305

Associate Editor
The Leadership Quarterly

On 19.04.2012 23:55, D. Demetriou wrote:
Thank you for your comments!

This is how i think of it: Fixed-effects are equivalent to n entity-specific dummies, in effect allowing for varying intercepts across regions.

A mixed effect (random intercept) model allows for the region-specific intercepts to vary from one wave/panel to the other (instead of assuming that entity-specific intercepts are constant over time).

Is this the correct intuition?? I hope it is!

Truly yours,

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