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AAE637 Topics for April 22, 2008

AAE637 Topics for April 22, 2008. Introduction to Sample Selection Models Char. of Bivariate Normal Variables Moments of an “Incidentally Truncated” Normal Random Variable Conditional Values and Marginal Effects Two-Step Estimation ( Heckit )Technique Correct S.E. Calculation in 2 nd Step

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AAE637 Topics for April 22, 2008

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  1. AAE637 Topics for April 22, 2008 • Introduction to Sample Selection Models • Char. of Bivariate Normal Variables • Moments of an “Incidentally Truncated” Normal Random Variable • Conditional Values and Marginal Effects • Two-Step Estimation (Heckit)Technique • Correct S.E. Calculation in 2nd Step • Mroz’s Example of Labor Supply • 2-Step Approach • ML Estimation of the Sample Selection Model • Look at 1stPPT file on deriving the AIDS

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