A generalization of the balancing property of the propensity score

Markus Froelich ()
Authors registered in the RePEc Author Service: Markus Frölich ()

University of St. Gallen Department of Economics working paper series 2002 from Department of Economics, University of St. Gallen

Abstract: Propensity score matching is a nonparametric technique frequently used for estimating average treatment effects. Yet its applicability is not confined to treatment evaluation. In this paper the propensity score property is generalized to the setting of selection on unobservables. It is shown that propensity score matching can be used to decompose effects due to observables and due to unobservables; which can be used, for example, to analyze racial or sexual discrimination. Furthermore, the generalized propensity score property justifies the use of propensity score matching in difference-in-difference treatment evaluation.

Keywords: Evaluation; matching; treatment effect; unobservables; covariate-adjustment; difference-in-difference; discrimination (search for similar items in EconPapers)
JEL-codes: C13 C14 J71 (search for similar items in EconPapers)
Pages: 18 pages
Date: 2002-04
New Economics Papers: this item is included in nep-ecm
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