Arbeitspapier

Simple Tests for Selection Bias: Learning More from Instrumental Variables

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.

Language
Englisch

Bibliographic citation
Series: IZA Discussion Papers ; No. 9346

Classification
Wirtschaft
Econometric and Statistical Methods and Methodology: General
Methodological Issues: General
Labor Economics: General
Labor Economics Policies
Subject
local average treatment effects
selection
instrumental variables

Event
Geistige Schöpfung
(who)
Black, Dan A.
Joo, Joonhwi
LaLonde, Robert J.
Smith, Jeffrey A.
Taylor, Evan J.
Event
Veröffentlichung
(who)
Institute for the Study of Labor (IZA)
(where)
Bonn
(when)
2015

Handle
Last update
10.03.2025, 11:44 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Black, Dan A.
  • Joo, Joonhwi
  • LaLonde, Robert J.
  • Smith, Jeffrey A.
  • Taylor, Evan J.
  • Institute for the Study of Labor (IZA)

Time of origin

  • 2015

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