Machine learning estimation of heterogeneous causal effects: Empirical Monte Carlo evidence

Michael Knaus, Michael Lechner and Anthony Strittmatter

The Econometrics Journal, 2021, vol. 24, issue 1, 134-161

Abstract: SummaryWe investigate the finite-sample performance of causal machine learning estimators for heterogeneous causal effects at different aggregation levels. We employ an empirical Monte Carlo study that relies on arguably realistic data generation processes (DGPs) based on actual data in an observational setting. We consider 24 DGPs, eleven causal machine learning estimators, and three aggregation levels of the estimated effects. Four of the considered estimators perform consistently well across all DGPs and aggregation levels. These estimators have multiple steps to account for the selection into the treatment and the outcome process.

Keywords: causal machine learning; conditional average treatment effects; selection-on-observables; Random Forest; Causal Forest; Lasso (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (48)

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Related works:
Working Paper: Machine Learning Estimation of Heterogeneous Causal Effects: Empirical Monte Carlo Evidence (2018)
Working Paper: Machine Learning Estimation of Heterogeneous Causal Effects: Empirical Monte Carlo Evidence (2018)
Working Paper: Machine Learning Estimation of Heterogeneous Causal Effects: Empirical Monte Carlo Evidence (2018)
Working Paper: Machine Learning Estimation of Heterogeneous Causal Effects: Empirical Monte Carlo Evidence (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:oup:emjrnl:v:24:y:2021:i:1:p:134-161.

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