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st: AW: RE: ivreg2, xtivreg2 updated

From   "Martin Weiss" <>
To   <>
Subject   st: AW: RE: ivreg2, xtivreg2 updated
Date   Tue, 9 Feb 2010 13:26:39 +0100


Same problem on my end, not even -ssc uninstall- helped, strangely, in this
case. Had to erase the -ivreg2- files manually and then -ssc inst- to


-----Ursprüngliche Nachricht-----
[] Im Auftrag von DE SOUZA Eric
Gesendet: Dienstag, 9. Februar 2010 13:21
An: ''
Betreff: st: RE: ivreg2, xtivreg2 updated

I get the message:
Checking status of specified packages...

   [47] ivreg2 at
        installed package is up to date

(no packages require updating)

I had updated soon after Mark posted the announcement.


Eric de Souza
College of Europe
BE-8000 Brugge (Bruges)

-----Original Message-----
[] On Behalf Of Kit Baum
Sent: 09 February 2010 13:14
Subject: st: ivreg2, xtivreg2 updated

The recently-announced version 3.0 of ivreg2 (Baum-Schaffer-Stillman) was
not gracefully handling the case where there are no observations in the
estimation sample due to, for instance, differencing a series for which the
time series delta > 1. ivreg2 has been revised on SSC, and the certification
scripts for ivreg2 and xtivreg2 have been updated for this condition. Use
ssc install ivreg2, replace  or adoupdate ivreg2, update to refresh your

Kit, Mark and Steve

Kit Baum   |   Boston College Economics & DIW Berlin   |
                              An Introduction to Stata Programming  |
   An Introduction to Modern Econometrics Using Stata  |

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