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st: GMM estimation


From   "nanna.matsson.m7" <Nanna.Matsson.M7@worldtradeinstitute.ch>
To   statalist@hsphsun2.harvard.edu
Subject   st: GMM estimation
Date   Sat, 22 Sep 2007 01:29:25 +0200

Dear Sir/Madam, 

I am currently trying to estimate a model containing lagged dependent 
variables as explanatory variables along with lagged explanatory variables 
(Y = a + BXt-1+BXt-2 + Yt-1+Yt-2+e). It is time-series data (1977-2005) for 
one country only and I am wondering if the Arellano-Bond GMM method for 
dynamic panel is the correct estimation method. 

More specifically, I have a data set for 1977-2005 for one country with the 
following variables: dependent variable is investment at time t, explanatory 
variables are investment at time t-1 and t-2, FDI inflows at time t, t-1, 
and t-2, and growth rate at time t-1, t-2. Since it is a dynamic model OLS 
is not appropriate, but is A-B GMM estimation method the most appropriate 
method? 

It's quite an urgent matter and I really look forward to hearing from you. I 
apologize for the inconvenience. 

Your help is greatly appreciated! 

Nanna Matsson
World Trade Institute
Switzerland 


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