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Genetic Matching for Estimating Causal Effects: A General Multivariate Matching Method for Achieving Balance in Observational Studies

Open access
Diamond, Alexis, Sekhon, Jasjeet S.·2013·Review of Economics and Statistics

Abstract

This paper presents genetic matching, a method of multivariate matching that uses an evolutionary search algorithm to determine the weight each covariate is given. Both propensity score matching and matching based on Mahalanobis distance are limiting cases of this method. The algorithm makes transparent certain issues that all matching methods must confront. We present simulation studies that show that the algorithm improves covariate balance and that it may reduce bias if the selection on observables assumption holds. We then present a reanalysis of a number of data sets in the LaLonde (1986) controversy.

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Metadata

Authors
Diamond, A., & Sekhon, J. S.
Venue
Review of Economics and Statistics
Publisher
MIT Press
Published
2013-07
Volume
95
Issue
3
Pages
932-945
ISSN
  • 0034-6535 (ISSN-L)
  • 1530-9142
OpenAlex
W2136484149
Cited by
1,102
References
18
FWCI
59.33
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Genetic Matching for Estimating Causal Effects: A General Multivariate Matching Method for Achieving Balance in Observational Studies. https://app.cochat.ai/papers/10.1162/rest_a_00318
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Diamond, A., & Sekhon, J. S. (2013). Genetic Matching for Estimating Causal Effects: A General Multivariate Matching Method for Achieving Balance in Observational Studies. Review of Economics and Statistics. https://doi.org/10.1162/rest_a_00318

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