st: exogeneity test for biprobit and control function?

["Nirina F" <fstata@gmail.com>]

Dear all,

Do you know what in STATA is the exogeneity  test similar to sargan or
Hansen's j (if I used robust) with ivreg2 that can be used with
biprobit and control function approach?

The control function is for when I have binary dependent and
continuous independent variable.
Thank you,


Nirina
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