What is the commonly accepted distance for case matching in propensity score matching, is it 0.1 or 0.2 or else?

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Md. Belal Hossain

It's 0.2 of the standard deviation of the logit of the propensity score.

Article Optimal Caliper Widths for Propensity-Score Matching When Es...

Babak Jamshidi

See what rationale is behind the commonly accepted cut-offs. You can change them based on the reasons addressing the basic rationale.

Gerard Chung

.10 see papers by Austin. In addition, it is impt to check for variance ratio Article Balance Diagnostics for Comparing the Distribution of Baseli...

Matching: matched treated and untreated subjects on the 0.20 of the standard deviation of the logit of the propensity score.

Balance checking in the distribution of the covariates: standardized mean difference (SMD) less than 0.10

Article Balance Diagnostics for Comparing the Distribution of Baseli...