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RE: st: Propensity score matching in stata


From   "KASHEFIPOUR E." <E.KashefiPour@swansea.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Propensity score matching in stata
Date   Sat, 21 Jul 2012 22:29:42 +0100

Dear Marco,

Many thanks for your help.

Actually, I am a new user of PSM, and therefore I appreciate if you could let me know about att in more details.

Best,
Eilnaz


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu on behalf of Marco Ventura
Sent: Sat 21/07/2012 09:21
To: statalist@hsphsun2.harvard.edu
Subject: R: st: Propensity score matching in stata
 
Dear friend,
The propensity score matching estimator is aimed at working out the average treatment effect for the treated, att, and in its first step it works out the probability of being treated, ie of having issued debt in your case. Therefore, unless you are interested in the att you do not need to use PSM, you may simply run a logit or probit reg. Hope this helps. 
Regards marco
----- Messaggio originale -----
Da: KASHEFIPOUR E. <E.KashefiPour@swansea.ac.uk>
A: statalist@hsphsun2.harvard.edu
Inviato: Fri, 20 Jul 2012 18:23:22 +0200 (CEST)
Oggetto: st: Propensity score matching in stata



Hi all,

I have a concern regarding the propensity score matching.

I have a list of companies that issue debt between 2007 and 2011. My aim
is to match those companies with those companies which have not issued
debt between 2007 and 2011 and investigate the probability of issuing
debt. 
Can anyone tell me if the propensity score matching is an appropriate
estimation in my case? If so, which command I can use in stata to match
those companies with industry and size?

Best,
ELN 

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