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Latent class instrumental variables and the monotonicity assumption
A key aspect of the article by Lousdal on instrumental variables was a discussion of the monotonicity assumption. However, there was no mention of the history of the development of this assumption. The purpose of this letter is to note that Baker and Lindeman and Imbens and Angrist independently int...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7081607/ https://www.ncbi.nlm.nih.gov/pubmed/32206075 http://dx.doi.org/10.1186/s12982-020-00088-8 |