Papers › Fair and Robust Estimation of Heterogeneous Treatment Effects for Policy Learning

Fair and Robust Estimation of Heterogeneous Treatment Effects for Policy Learning

6 Jun 2023arXiv:2306.03625archive 2025-07-28

Kwangho Kim, José R. Zubizarreta

We propose a simple and general framework for nonparametric estimation of heterogeneous treatment effects under fairness constraints. Under standard regularity conditions, we show that the resulting estimators possess the double robustness property. We use this framework to characterize the trade-off between fairness and the maximum welfare achievable by the optimal policy. We evaluate the methods in a simulation study and illustrate them in a real-world case study.

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