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Re: st: SFA - variance parameter


From   David Kantor <dkantor@jhu.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: SFA - variance parameter
Date   Tue, 04 May 2004 09:37:24 -0400

At 07:04 AM 5/4/2004 -0500, Scott Merryman wrote, in response to a question from Erik Brouwer,


I believe theta = sqrt(1/(sigma_u)^2)
I don't know anything about stochastic frontier analysis, but isn't that the same as

abs(1/(sigma_u)) ?


David Kantor
Institute for Policy Studies
Johns Hopkins University
dkantor@jhu.edu
410-516-5404

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