From | Tinna <[email protected]> |
To | [email protected] |
Subject | st: testing exclusion restrictions |
Date | Tue, 1 Nov 2005 10:51:54 -0500 |
Dear Statalisters, Should I use similar tests for exclusion restrictions in heckman as in ivreg? Is the idea similar? That is, to find something that affects selection, but is not a significant factor in the regression of interest. Thanks Tinna * * 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/
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