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| From | David Ashcraft <ashcraftd@rocketmail.com> |
| To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
| Subject | Re: st: Regression Across Two Groups |
| Date | Wed, 14 Dec 2011 03:01:06 -0800 (PST) |
This seems a sample selection bias case and _heckman_ is a good solution, if the question is about the secondary job e.g. what would be possible level of earning subject to secondary job based on specific traits and one of which can be foreign qualification as a dummy. ----- Original Message ----- From: Nick Cox <njcoxstata@gmail.com> To: statalist@hsphsun2.harvard.edu Cc: Sent: Wednesday, December 14, 2011 1:30:35 PM Subject: Re: st: Regression Across Two Groups