Propensity scores provide a parsimonious and efficient remedy to the problem of obtaining unbiased estimates of treatment effectiveness by adjusting or balancing treatment group differences based on a single composite characteristic.
CITATION STYLE
Hahn, J. (2010). Propensity Score. In Microeconometrics (pp. 194–196). Palgrave Macmillan UK. https://doi.org/10.1057/9780230280816_23
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