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From | "E. Paul Wileyto" <epw@mail.med.upenn.edu> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: nl command with restriction |
Date | Mon, 11 Feb 2008 07:36:19 -0500 |
Dear all!--
I estimated a Cobb-Douglas function with additive error (nl command), the
coeficients are negative and the sum are larger than one, in some cases. I need that the coeficients are larger than zero and the sum of the
coeficients are equal to one. How can I estimate the function with
restriction in Stata?
Thanks,
Rodolfo
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