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st: issues with-gmm and xtabond-
From
"Abdalla, Ahmed" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: issues with-gmm and xtabond-
Date
Thu, 30 Jan 2014 16:29:19 +0000
Dear All
I want to use Arellano Bond GMM estimation to estimate the coefficients of this system of equations and test hypotheses (across equation constraints) post estimation.
x1 t= a x1t-1 + b x2 t-1 + c x3 t-1 + error1 t
x2 t= e x1t-1 + f x2 t-1 + g x3 t-1 + error2 t
x3 t= h x1t-1 + i x2 t-1 + j x3 t-1 + error3 t
I am really struggling to use -gmm- or xtabond- to get the Arellano Bond estimators (the manual says that gmm can fit more than a model and obviouslt xtabond or xtabond2 should do the same) and test if (a+e-f+j=c+g-h) ?
Any help will be much appreciated !
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