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st: How to calculate unconditional expected value after tobit


From   Michael Stole <[email protected]>
To   [email protected]
Subject   st: How to calculate unconditional expected value after tobit
Date   Wed, 14 Aug 2013 09:58:32 -0400

Hi, all,

    I am wondering how I can use the "margins" command after "tobit"
to calculate the unconditional expected value.

    "margins X" gives the expected value of the latent variable,
E[y^*|X]. "margins X, predict(ystar(0,.))" gives conditional exception
of the censored dependent variable, E[y|X, y>0]. But what I want is
E[y|X].

Thanks in advance for any help.

-- 
Michael Stole, Ph.D.

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