Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/120996
Authors: 
Black, Dan A.
Joo, Joonhwi
LaLonde, Robert J.
Smith, Jeffrey A.
Taylor, Evan J.
Year of Publication: 
2015
Series/Report no.: 
IZA Discussion Papers 9346
Abstract: 
We provide simple tests for selection on unobserved variables in the Vytlacil-Imbens-Angrist framework for Local Average Treatment Effects. The tests allow researchers not only to test for selection on either or both of the treated and untreated outcomes, but also to assess the magnitude of the selection effect. The tests are quite simple; undergraduates after an introductory econometrics class should be able to implement these tests. We illustrate our tests with two empirical applications: the impact of children on female labor supply from Angrist and Evans (1998) and the training of adult women from the Job Training Partnership Act (JTPA) experiment.
Subjects: 
local average treatment effects
selection
instrumental variables
JEL: 
C10
C18
J01
J08
Document Type: 
Working Paper

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