Hello. My name is Kilourou Yenipoho. I am using STATA 13 to analyze a large panel. I have a concern. I read an article by Rodman (2009) in which the author uses both techniques to reduce the number of instruments using the GMM estimators: One of them is limiting the lag depth, the other one is “collapsing” the instrument set. And another method is the combination of the both previous techniques. So, I would like you to help me please. I would like to have the commands to execute these differents techniques on STATA namely :
-The limit the lag depth
-The “collapsing” of the instrument set.
-The combination of the both previous techniques.
Thank You….
-The limit the lag depth
-The “collapsing” of the instrument set.
-The combination of the both previous techniques.
Thank You….
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