st: hausman's test with ivreg2

[Kit Baum <baum@bc.edu>]

Mark said

Since the test statistic reported by the -endog- option can be
interpreted as a "vector of contrasts" test, it is telling you that the
coeffs may look "quite different", but statistically speaking, they
aren't.


That is, the data lack sufficient information to estimate the  
parameters very precisely, and point estimates that appear 'quite  
different' to the naked eye cannot be distinguished from each other  
due to that lack of precision in estimation.


Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html


*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/