Comment: Improved local efficiency and double robustness

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23 Scopus citations


For missing data and causal inference problems, Rubin and van der Laan (2008) proposed estimators to achieve so-called improved local efficiency. We show that their estimators agree with existing estimators in the case of linear models, point out that one particular version of their estimators is also doubly robust, and suggest an extension for where the propensity score is estimated.

Original languageEnglish (US)
Article number10
JournalInternational Journal of Biostatistics
Issue number1
StatePublished - 2008

All Science Journal Classification (ASJC) codes

  • Statistics and Probability
  • Statistics, Probability and Uncertainty


  • Causal inference
  • Double robustness
  • Local efficiency


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