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From |
nicola.baldini2@unibo.it |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: dtobit Interpretation |

Date |
Sun, 25 May 2008 09:56:40 +0200 |

I don't have a direct answer for your question. But since the command has been released as STB-56: sg144; SJ4-3: sg144_1, you may find such an answer by consulting the related papers, which you can now freely (!) download from http://econpapers.repec.org/article/tsjstataj/ and http://econpapers.repec.org/article/tsjstbull/. Nicola At 02.33 22/05/2008 -0400, Abra Marie Jeffers wrote: >Hello, > >I am trying to interpret the output of -dtobit- for a continuous, level >variable. > >For example: >If -dtobit- returns that the marginal effect at the mean of the >probability of being uncensored is 0.002 for x1, can I say that "if x1 >increases by 10 from the mean, then the probability of being uncensored >increases by 0.02 other things equal"? >Similarly, if -dtobit- returns that the marginal effects at the mean of >the conditional expectation is -1.45 for x2, do I say that "if x2 >increases by 100 from the mean, then the conditional expectation >decreases by $145"? > >This seems too simple given the nonlinearities involved in the calculations. > >I would really appreciate any suggestions on giving the decomposed >marginal effects an economic interpretation. > >Thanks, >Abra >* * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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