Comparar métodos
Revisa los métodos seleccionados uno junto a otro; las filas que difieren aparecen resaltadas.
| Ponderación por Puntuación de Propensión (PSW / IPW)× | Diferencia en Diferencias (Diff-in-Diff)× | |
|---|---|---|
| Campo≠ | Inferencia causal | Econometría |
| Familia | Regression model | Regression model |
| Año de origen≠ | 1983 (propensity score); 2003 (efficient IPW estimator) | 1994 |
| Autor original≠ | Rosenbaum & Rubin (propensity score); Hirano, Imbens & Ridder (efficient weighting) | Card & Krueger (canonical 1994 application); Angrist & Pischke (textbook treatment) |
| Tipo≠ | Causal inference / reweighting | Causal inference / panel regression |
| Fuente seminal≠ | Rosenbaum, P. R., & Rubin, D. B. (1983). The central role of the propensity score in observational studies for causal effects. Biometrika, 70(1), 41-55. DOI ↗ | Angrist, J. D., & Pischke, J.-S. (2009). Mostly Harmless Econometrics: An Empiricist's Companion. Princeton University Press. ISBN: 978-0691120355 |
| Alias≠ | PSW, inverse probability weighting, IPW, propensity-based weighting | diff-in-diff, DiD, Farkların Farkı (Diff-in-Diff) |
| Relacionados≠ | 6 | 5 |
| Resumen≠ | Propensity score weighting is a causal-inference method that reweights observations so that the covariate distributions of treated and untreated units look exchangeable, enabling unbiased estimation of average treatment effects from observational data. Each unit receives a weight that is the inverse of its probability of receiving the treatment it actually received — a strategy formalised by Rosenbaum and Rubin (1983) and given its efficient semiparametric form by Hirano, Imbens and Ridder (2003). | Difference-in-Differences is a causal-inference method that estimates the effect of an intervention by comparing how a treatment group and a control group change over time. Made famous by Card and Krueger's 1994 minimum-wage study and developed in Angrist and Pischke's Mostly Harmless Econometrics, it isolates the treatment effect as the difference between the two groups' before-after changes. |
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