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From |
SMAC <s.afcha@ub.edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Fwd: Heckman model Vs treatment regression model |

Date |
Tue, 13 Apr 2010 20:37:47 +0200 |

Dear Statalisters, I have many doubts about wich econometric strategy I should use. I am trying

I begin with a two steps Heckman selection model: in the first stage I estimate a probit: S= xB+e where S =1 if the firm apply for the program and is selected and 0 otherwise. X is a set of explanatory variables and in the second stage I estimate an OLS regression: Y= zA+u where Y is the outcome variable (a contiuos variable) My doubts are, how can i calculate the impact of participation in the program? Is this possible using Heckman post estimation commands? How?

Thanks in advance for your help! Moises ----- Final del missatge reenviat ----- * * 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/

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