Dear Friends:
I am using the DPD program in OX, and about this I have a couple of
questions, I really appreciate your help about this:
(i) I always see the option Gmm(x,2,99)in the sample programs of DPD, when I
made some estimations I found a great difference in the results if I use
Gmm(x,1,99)
Is it invalid to use the instruction Gmm(x,1,99)?
(ii) If I have an estimation when the groups are countries, and I need to
introduce regional dummies, but only for a subgroup of them (tipically for
African and Latinamerican countries) How are the instructions to put this
regional dummies in the DPD?
Thanks a lot for your kindly help
Javier
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