Hello Statalist,
I'm using the ivtobit6 command to do my regressions in Stata 8, but
when I run the complete model including the ll(0) (That's the
censoring point the dependent variable has), Stata tells me that I
can't use that extension, in fact, it tells: "invalid ll". The model
which i'm trying to run is:
ivtobit6 inversion, endog(impprom) iv(imppromVI) exog(PIB98
industria1-industria8 tamano1 tamano2 region2-region13),ll(0)
When I run the same model without the ll(0), the command functions well.
Does someone have any idea about what's happenning?
Thank you,
Leonor.
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