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Re: st: Using Delta Method with Estimated Marginal Effects from a Tobit Model
From
Selahattin Selsah Pasali <[email protected]>
To
[email protected]
Subject
Re: st: Using Delta Method with Estimated Marginal Effects from a Tobit Model
Date
Wed, 6 Mar 2013 11:31:20 +0100
Thank you very much, Maarten.. It definitely works...
On Mar 6, 2013, at 11:10 AM, Maarten Buis <[email protected]> wrote:
> On Wed, Mar 6, 2013 at 10:46 AM, Selahattin Selsah Pasali wrote:
>> I was wondering if you could suggest a procedure for using the nlcom command after estimating the marginal effects from a tobit regression. What I need to do is to combine a bunch of marginal effects in a non-linear way so as to construct a ratio along with it's standard error.
>
> *------------------ begin example ------------------
> sysuse auto, clear
> generate wgt = weight/1000
> generate pr = price/1000
> tobit mpg wgt pr, ll(17)
> margins, dydx(*) predict(ystar(17,.)) post
> nlcom _b[wgt]/_b[pr]
> *------------------- end example -------------------
> (For more on examples I sent to the Statalist see:
> http://www.maartenbuis.nl/example_faq )
>
> Hope this helps,
> Maarten
>
> ---------------------------------
> Maarten L. Buis
> WZB
> Reichpietschufer 50
> 10785 Berlin
> Germany
>
> http://www.maartenbuis.nl
> ---------------------------------
>
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