The Finite Sample Performance of Inference Methods for Propensity Score Matching and Weighting Estimators

Hugo Bodory, Lorenzo Camponovo, Martin Huber and Michael Lechner

Journal of Business & Economic Statistics, 2020, vol. 38, issue 1, 183-200

Abstract: This article investigates the finite sample properties of a range of inference methods for propensity score-based matching and weighting estimators frequently applied to evaluate the average treatment effect on the treated. We analyze both asymptotic approximations and bootstrap methods for computing variances and confidence intervals in our simulation designs, which are based on German register data and U.S. survey data. We vary the design w.r.t. treatment selectivity, effect heterogeneity, share of treated, and sample size. The results suggest that in general, theoretically justified bootstrap procedures (i.e., wild bootstrapping for pair matching and standard bootstrapping for “smoother” treatment effect estimators) dominate the asymptotic approximations in terms of coverage rates for both matching and weighting estimators. Most findings are robust across simulation designs and estimators.

Date: 2020
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Related works:
Working Paper: The finite sample performance of inference methods for propensity score matching and weighting estimators (2016)
Working Paper: The Finite Sample Performance of Inference Methods for Propensity Score Matching and Weighting Estimators (2016)
Working Paper: The finite sample performance of inference methods for propensity score matching and weighting estimators (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:taf:jnlbes:v:38:y:2020:i:1:p:183-200

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DOI: 10.1080/07350015.2018.1476247

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