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Re: st: Re: Elasticities


From   "Scott Merryman" <merryman@icehouse.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Re: Elasticities
Date   Mon, 15 Jul 2002 23:35:57 -0600

This might help.

Elasticities:

If your regression model is in linear form (Y  = b0 + b1X) than the
elasticity of Y with respect to X is b1(X/Y).

If your model is in double log form (lnY = b0 + b1lnX) the elasticity is b1.

If your model is in semi log form (Y = b0 + b1lnX) the elasticity is b1/Y

See pages 15 -18, Jeffery Woolridge "Econometric Analysis of Cross Section
and Panel Data"

Scott Merryman

----- Original Message -----
From: "Bhisma Murti" <bhisma.murti@lycos.com>
To: <statalist@hsphsun2.harvard.edu>; <statalist@hsphsun2.harvard.edu>
Sent: Monday, July 15, 2002 5:40 PM
Subject: Re: st: Re: Elasticities


> Thanks Mito,
> But you haven't answered my question. Of course I know the command is mfx.
But do you and everyone else know  how to obtain elasticities in OLS
regression analysis when some independent variables are in logarithm but
some are not? I have read the Manual Stata 7 but it does not explain about
this.
> Regards,
> Bhisma
> Newcastle, Australia/Surakarta, Indonesia
>



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