ivmte:一个用于从Compliers外推仪器变量估计的R包*

Joshua Shea, Alexander Torgovitsky
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引用次数: 0

摘要

摘要:工具变量(IV)策略在经济学、政治学、流行病学、社会学、心理学等领域被广泛用于估计因果效应。当因果效应存在未观察到的异质性时,标准线性IV估计量仅代表复杂亚群的影响(Imbens和Angrist,1994)。边际治疗效果(MTE)方法(Heckman和Vytlacil,19992005)允许研究人员使用额外的假设来推断复杂亚群之外的情况。我们讨论了基于线性回归和广义矩方法的MTE方法的灵活框架。我们展示了如何使用针对R的ivmte包来实现该框架。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ivmte: An R Package for Extrapolating Instrumental Variable Estimates Away From Compliers*
Abstract:Instrumental variable (IV) strategies are widely used to estimate causal effects in economics, political science, epidemiology, sociology, psychology, and other fields. When there is unobserved heterogeneity in causal effects, standard linear IV estimators only represent effects for complier subpopulations (Imbens and Angrist, 1994). Marginal treatment effect (MTE) methods (Heckman and Vytlacil, 1999, 2005) allow researchers to use additional assumptions to extrapolate beyond complier subpopulations. We discuss a flexible framework for MTE methods based on linear regression and the generalized method of moments. We show how to implement the framework using the ivmte package for R.
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