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Christopher Baum <email@example.com>
Sun, 26 Jun 2011 16:27:38 -0400
Thank you Anees for your help. I have read all the relevant literature in detail. I have used xtabond2 for my dataset, now I want to analyse the subsample for something. The problem is the number of observations is 156 in the sub sample and I cant apply xtabond2 because of small sample size. I have applied xtivreg2 and now I want to correct the estimates for small sample size bias (Windmiejer's correction).
I am interested in knowing how can I apply the Windmeijer's correction on xtiverg2 gmm2s cluster(id).
The Windmeijer correction is for Arellano-Bond and Blundell-Bond "DPD" models. xtivreg2 by Mark Schaffer does not estimate those DPD models. It would not be appropriate to apply xtivreg2 with fixed effects to a dynamic panel model. The fact that xtivreg2 (and the underlying ivreg2 of Baum-Schaffer-Stillman) has a GMM option does not mean that it can consistently estimate dynamic panel models.
When you say you have only 156 obs. in the subsample, what is N and what is the average T?
Kit Baum | Boston College Economics & DIW Berlin | http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming | http://www.stata-press.com/books/isp.html
An Introduction to Modern Econometrics Using Stata | http://www.stata-press.com/books/imeus.html
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