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From |
Nyasha Tirivayi <ntirivayi@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: AW: mfx-Elasticity for a dummy variable |

Date |
Mon, 7 Jun 2010 17:24:30 +0200 |

Dear Martin Thanks for the code. Now the results are different. I was using the wrong code i.e mfx , dyex at(mean) instead of mfx compute, varlist(logweight) dyex at(mean). Regards Nyasha Tirivayi Maastricht University On Mon, Jun 7, 2010 at 9:16 AM, Martin Weiss <martin.weiss1@gmx.de> wrote: > > <> > > What is the difference of your example to this one - where the marginal > effects do seem to change: > > > ************* > sysuse auto, clear > gen logprice=log(price) > gen logweight=log(weight) > reg logprice length logweight foreign > mfx compute, varlist(logweight) dydx at(mean) > mfx compute, varlist(logweight) eyex at(mean) > mfx compute, varlist(logweight) dyex at(mean) > mfx compute, varlist(logweight) eydx at(mean) > ************* > > > > HTH > Martin > > -----Ursprüngliche Nachricht----- > Von: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Nyasha Tirivayi > Gesendet: Montag, 7. Juni 2010 02:50 > An: statalist@hsphsun2.harvard.edu > Betreff: st: mfx-Elasticity for a dummy variable > > Dear All > > I am trying to estimate elasticity for a dummy explanatory variable in > the following model > > ln(y) = a + b ln(x) + T + D Z > > > > I am interested in calculating the elasticity for T a dummy variable > for a "treatment". What is the formula in stata? Is it mfx,dy/dx or > mfx,dyex? > > > > I have done mfx,dyex and the result still remains the coefficient for > T. Could it be that simple? Or there is another way ? > > > > Kindly advise > > > > Nyasha Tirivayi > > Maastricht University > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: AW: mfx-Elasticity for a dummy variable***From:*A Loumiotis <antonis.loumiotis@gmail.com>

**References**:**st: mfx-Elasticity for a dummy variable***From:*Nyasha Tirivayi <ntirivayi@gmail.com>

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