Why Propensity Scores Should Not Be Used for Matching

We show that propensity score matching (PSM), an enormously popular method of preprocessing data for causal inference, often accomplishes the opposite of its intended goal - thus increasing imbalance, inefficiency, model dependence, and bias. The weakness of PSM comes from its attempts to approximat...

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Bibliographic Details
Main Authors: King, Gary (Author), Nielsen, Richard Alexander (Author)
Other Authors: Massachusetts Institute of Technology. Department of Political Science (Contributor)
Format: Article
Language:English
Published: Cambridge University Press (CUP), 2020-11-12T19:18:52Z.
Subjects:
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