I guess that the following may help:
ssc install xtivreg2, replace
But, as said by Mark and requested by Statalist FAQ, you increase your chances to get an answer by precisely telling us what went wrong.
Nicola
At 02.33 27/10/2007 -0400, "dora sepour" wrote:
>Dear Stata users,
>
>I try to run an overidentification test for an Hausman-Taylor estimation,
>with stata version 9.0 or 9.1. An error message appears "must have xtivreg2
>version 2.1.15 or more installed". I tried to install it without success! Is
>it possible to use Hausman test?
>
>Thanks in advance for your time,
>Best regards,
>Dora
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