Testing for the Unconfoundedness Assumption Using an Instrumental Assumption
The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption (exogeneity of the treatment) or on the availability of an instrument. When available, instruments may also be used to test for the unconfoundedness assum...
| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado: |
De Gruyter
2014-09-01
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| Series: | Journal of Causal Inference |
| Subjects: | |
| Acceso en liña: | https://doi.org/10.1515/jci-2013-0011 |