st: AIC and BIC with xtabond Help

[N Drivalos <nd118@york.ac.uk>]

Hi everyone, I want to use xtabond but first i want to specify how many 
lags of the dependent variable to use. However, i can not find a way to do 
that with stata. Do you have any recommendations? Is there an ado file for 
AIC or BIC with xtabond? I tried fitstat, but it does not work with 
xtabond. Any help will be highly appreciated. Thanks in advance for the 
assistance!

Nikos
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