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From | Christopher Baum <kit.baum@bc.edu> |
To | "<statalist@hsphsun2.harvard.edu>" <statalist@hsphsun2.harvard.edu> |
Subject | Re: RE: RE: st: RE: GMM estimation: restricting parameter estimates |
Date | Wed, 26 Jun 2013 07:55:17 +0000 |
<> On Jun 26, 2013, at 8:33 AM, Bley wrote: > I did that but now, how do I get the standard errors and p-value for the variable v which is my variable of interest? > Could you please tell me what procedure I can use to run a GMM including FIXED EFFECTS? I am not sure if the xtabond includes already fized effects. help lincom DPD estimators such as xtabond2 do not use fixed effects; they use first differencing, which like fixed effects remove the unobserved heterogeneity in a dynamic panel. But you do not seem to have a duynamic model. I think you can easily estimate this model with IV-GMM and fixed effects with some simple algebra and Mark Schaffer's xtivreg2 from SSC: g double yv = y - v g double kv = k - v g double hv = k - v ssc inst ivreg2, replace ssc inst ranktest, replace ssc inst xtivreg2, replace xtivreg2 yv a (kv hv = z1 z2 z3 z4 z5), fe gmm2s robust lincom v = 1 - kv - hv Kit 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 http://www.crup.com.cn/Item/111779.aspx * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/