Testing and relaxing the exclusion restriction in the control function approach
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DOI: 10.1016/j.jeconom.2020.09.012
Abstract: Abstract The control function approach which employs an instrumental variable excluded from the outcome equation is a very common solution to deal with the problem of endogeneity in nonseparable models. Exclusion restrictions, however, are frequently… read more here.
Keywords: exclusion restriction; function approach; control function; control ... See more keywords
Analysis approaches to address treatment nonadherence in pragmatic trials with point-treatment settings: a simulation study
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DOI: 10.1186/s12874-022-01518-8
Abstract: Background Two-stage least square [2SLS] and two-stage residual inclusion [2SRI] are popularly used instrumental variable (IV) methods to address medication nonadherence in pragmatic trials with point treatment settings. These methods require assumptions, e.g., exclusion restriction,… read more here.
Keywords: nonadherence pragmatic; unmeasured confounding; treatment; nonadherence ... See more keywords