Double machine learning for causal inference in a multivariate sample selection model
多变量样本选择模型中的因果推断与双重机器学习AI 解读 ↓
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多变量样本选择模型中的因果推断与双重机器学习AI 解读 ↓
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We propose plug-in (PI) and double machine learning (DML) estimators of average treatment effect (ATE), average treatment effect on the treated (ATET) and local average treatment effect (LATE) in the multivariate sample selection model with ordinal selection equations. Our DML estimators are doubly-robust and based on the efficient influence functions. Finite sample properties of the proposed estimators are studied and compared on simulated data. Specifically, the results of the analysis suggest that without addressing multivariate sample selection, the estimates of the causal parameters may be highly biased. However, the proposed estimators allow us to avoid these biases.
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