Re: [R] Heckman regression / adjustment for standard errors?

From: Arne Henningsen <>
Date: Tue 21 Feb 2006 - 18:42:44 EST

Hi Brian,

On Friday 17 February 2006 22:30, Brian Perron wrote:
> Hello folks,
> I am trying to estimate the two-step Heckman regression model. I would
> like to make an adjustment for intragroup correlations. Stata can
> implement this with the "cluster" option, but I am really hoping to stick
> with R. It seems that the micEcon package is the primary source for this
> two-step regression model (i.e., heckit), but I can't find a way to make
> the adjustment. Am I overlooking something with this package or other
> packages?

The heckit() function in the micEcon package definitively has no "cluster" option. Unfortunately, I don't know anything about adjustment for intragroup correlations in heckman type estimations. Is this difficult to implement? Do you know a description of this procedure? (Maybe we can do this together.)


> Brian
> [[alternative HTML version deleted]]
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Arne Henningsen
Department of Agricultural Economics
University of Kiel
Olshausenstr. 40
D-24098 Kiel (Germany)
Tel: +49-431-880 4445
Fax: +49-431-880 1397

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Received on Tue Feb 21 18:46:41 2006

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