On control variate estimators

Barry L. Nelson*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Control variate (CV) estimators are a useful class of reduced variance estimators for simulation experiments. They correct the value of a crude estimator after the simulation outputs have been realized, and thus they do not alter the time path of the simulated stochastic process. In this paper, a broad characterization of CV estimators is proposed, the properties of this class of estimators are investigated, and the characterization is employed to derive new CV estimators that have advantageous properties in addition to reduced variance.

Original languageEnglish (US)
Pages (from-to)219-225
Number of pages7
JournalComputers and Operations Research
Issue number3
StatePublished - 1987

ASJC Scopus subject areas

  • Computer Science(all)
  • Modeling and Simulation
  • Management Science and Operations Research


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