# Re: st: RE: Testing the significance of elasticity coefficient

 From Humnath Bhandari To statalist@hsphsun2.harvard.edu Subject Re: st: RE: Testing the significance of elasticity coefficient Date Wed, 3 Sep 2008 01:57:24 -0700 (PDT)

Dear Martin,
I appreciate your response. But, mfx with eyex option works for linear regression with logarithmatic value. My regression is non-linear and hence the mfx with eyex option does not work. I think, I need some non-linear estimation procedure which I have no idea and I am still exploring. Thank you for your help.
Humnath

----- Original Message ----
> From: Martin Weiss <martin.weiss@uni-tuebingen.de>
> To: statalist@hsphsun2.harvard.edu
> Sent: Wednesday, September 3, 2008 3:32:11 PM
> Subject: st: RE: Testing the significance of elasticity coefficient
>
> Have you tried -mfx- with the - eyex - option after your estimation?
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Humnath Bhandari
> Sent: Wednesday, September 03, 2008 1:56 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Testing the significance of elasticity coefficient
>
> Dear List member,
> I having problem to estimate elasticity coefficient and test its
> significance. Therefore I am writing this mail to request your kind help. I
> would be grateful if anybody can help me to estimate the coefficient of
> elasticity and test its significance based on quadratic regressgion.
> My quadratic equation for the time series data is mentioned below.
> Y = a + b1 X + b2 X^2 + b3 Trend
> dy/dx = (b1 + 2 * b2 * X)
> elasticity = (b1 + 2 * b2 * X) * (X/Y)
> I would like to know how to estimate this elasticity coefficient and test
> its signficance using STATA 9.2. Thank you.
> Cheers,
> Humnath Bhandari
>
>
>
>
>
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