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st: AW: RE: Matching Estimator

From   "Martin Weiss" <>
To   <>
Subject   st: AW: RE: Matching Estimator
Date   Thu, 10 Dec 2009 16:06:44 +0100


"...leads to a forthcoming paper in Statistical Science"

I can already download the paper, and it does feature a section about
"Matching software for Stata", as well as "Matching software" for Some
Alternative Software...


-----Ursprüngliche Nachricht-----
[] Im Auftrag von Nick Cox
Gesendet: Donnerstag, 10. Dezember 2009 16:05
Betreff: st: RE: Matching Estimator

No idea if it's what you're after but

leads to a forthcoming paper in Statistical Science 

"Matching Methods for Causal Inference: A review and a look forward"

by Elizabeth Anne Stuart. 


Erasmo Giambona

I am trying to use the Abadie/Imbens (2002) estimator that one can
obtain with "nnmatch". Can somebody provide some intuition on the
difference between Average Treatment Effect (ATE) and Average
Treatment Effect on the Threated? In prticular, what does it mean that
in the case of the ATE "all observations are matched to their nearest
m neighbors of the opposite treatment group" (from help nnmatch)? Why
would one want to match the firms in the control group?

Abadie, A. and G. Imbens. 2002. Simple and Bias-Corrected Matching
Estimators. Tech. rep., Department of Economics, UC Berkeley.

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