On Tuesday, February 4, 2014 9:24 PM, Sven Schreiber <svetosch@gmx.net> wrote:
Am 04.02.2014 15:08, schrieb Anutechia Asongu:


>
> But my concern persists: after performing the two-step System GMM, the
> results for the AR(2) errors test reads 'not applicable'. Can I use the
> AR(1) test as the information criterion for the Arellano & Bond
> autocorrelation test?


I don't really know what you mean by "information criterion for the
test", but in Arellano-Bond the AR(1) test doesn't tell you anything
that you didn't know already, first-order correlation is/should be in
there by design. So, no.

-sven
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Thanks Sven,
Well, I'm thinking of trying something else, limiting instrument proliferation by changing how the instrument is set and not by shrinking the sample (decreasing T and increasing N) as I did in my previous strategy. Can anyone gist me on the Gretl equivalent of Stata's xtabond2? http://www.cgdev.org/publication/note-theme-too-many-instruments-working-paper-125

Thank you in advance