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| Estymator dopasowania do oceny polityki× | Coarsened Exact Matching (CEM)× | |
|---|---|---|
| Dziedzina | Wnioskowanie przyczynowe | Wnioskowanie przyczynowe |
| Rodzina | Regression model | Regression model |
| Rok powstania≠ | 1998-2006 | 2011-2012 |
| Twórca≠ | Heckman, Ichimura & Todd; Abadie & Imbens | Iacus, King, & Porro |
| Typ≠ | Non-parametric causal estimator | Matching / causal inference |
| Źródło pierwotne≠ | Abadie, A., & Imbens, G. W. (2006). Large sample properties of matching estimators for average treatment effects. Econometrica, 74(1), 235-267. DOI ↗ | Iacus, S. M., King, G., & Porro, G. (2012). Causal Inference without Balance Checking: Coarsened Exact Matching. Political Analysis, 20(1), 1-24. DOI ↗ |
| Inne nazwy≠ | matching estimator, program evaluation matching, treatment effect matching, Abadie-Imbens estimator | CEM, coarsened matching, monotonic imbalance bounding matching |
| Pokrewne | 6 | 6 |
| Podsumowanie≠ | The policy evaluation matching estimator estimates the causal effect of a program or policy on treated units by pairing each participant with one or more non-participants who share similar pre-treatment characteristics. Developed rigorously by Heckman, Ichimura & Todd (1998) and Abadie & Imbens (2006), it avoids parametric outcome models and is the standard non-parametric tool for program and policy evaluation. | Coarsened Exact Matching is a preprocessing method that achieves covariate balance by temporarily coarsening continuous variables into bins, exactly matching treated and control units within those bins, and then discarding all unmatched units. Introduced by Iacus, King, and Porro (2011, 2012), it bounds imbalance on each covariate independently, yielding a matched sample on which any estimator can be applied without relying on a propensity score model. |
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