Journal
ECONOMICS LETTERS
Volume 98, Issue 3, Pages 309-319Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.econlet.2007.05.010
Keywords
sensitivity; propensity score; matching; causal model; Monte Carlo
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In this paper, we study sensitive of propensity score methods to the specifications through Monte Carlo experiments. We find that the estimated treatment effects on the treated are not sensitive to the specifications if the unconfoundedness assumption holds. When the unconfoundedness assumption fails, the matching results can be sensitive. (c) 2007 Elsevier B.V. All rights reserved.
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