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From |
Maarten Buis <maartenlbuis@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: marginal effect of the interaction term in the probit model using margins command |

Date |
Thu, 30 Jun 2011 12:16:31 +0200 |

On Thu, Jun 30, 2011 at 12:08 PM, Ridhima Gupta <g.ridhima@gmail.com> wrote: > But Maarten doesn't this criticism apply to marginal effects in > general and not just the marginal effect on the intearction term? Marginal effects of main effects are often close enough to constant and they hardly ever switch signs. This is not true for marginal effects of interaction terms. I think of marginal effects as a linear model fitted on top of our non-linear model. Models are wrong, but as long as they are close enough, they can be useful. Average marginal effects for regular variables are often close enough so they can be useful. For interaction effects that linear model of the non-linear model just breaks down. -- Maarten -------------------------- Maarten L. Buis Institut fuer Soziologie Universitaet Tuebingen Wilhelmstrasse 36 72074 Tuebingen Germany http://www.maartenbuis.nl -------------------------- * * 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: marginal effect of the interaction term in the probit model using margins command***From:*Ridhima Gupta <g.ridhima@gmail.com>

**References**:**st: marginal effect of the interaction term in the probit model using margins command***From:*Ridhima Gupta <g.ridhima@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Ridhima Gupta <g.ridhima@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Ridhima Gupta <g.ridhima@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: marginal effect of the interaction term in the probit model using margins command***From:*Ridhima Gupta <g.ridhima@gmail.com>

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