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math.ST2017
When Should You Adjust Standard Errors for Clustering?
Alberto Abadie, Susan Athey, Guido Imbens +1
In empirical work it is common to estimate parameters of models and report associated standard errors that account for "clustering" of units, where clusters are defined by factors…
math.ST2017
Policy Learning with Observational Data
Susan Athey, Stefan Wager
In many areas, practitioners seek to use observational data to learn a treatment assignment policy that satisfies application-specific constraints, such as budget, fairness, simpli…