• Publications
    • Clustered treatment assignments and sensitivity to unmeasured biases
    • Propensity score matching: A case study
    • Linear regression coefficient confidence limits with omitted confounders
    • Attributing effects to a cluster randomized get-out-the-vote campaign
    • Covariate balance in simple, stratified and clustered comparative studies
    • The prognostic analogue of the propensity score
    • Notes on the occupancy problem with infinitely many boxes
    • Optimal full matching and related designs via network flows
    • Minimax expected measure confidence sets for restricted location parameters
    • Full matching in an observational study of coaching for the SAT
    • Prediction rules for exchangeable sequences related to species sampling
  • Working papers and recent talks
    • Propensity score matching to recover latent experiments: diagnostics and asymptotics
    • The sensitivity of linear regression coefficients' confidence limits to the omission of a confounder
    • Bias reduction in observational studies via prognosis scores
    • Talk: Tests of covariate balance in experiments and observational studies
    • Talk: Tests of covariate balance in propensity-matched observational studies
    • Talk: Propensity score matching to recover latent experiments: Diagnostics and asymptotics
  • Software tools
    • Optmatch
    • RItools
  • About Ben Hansen
    • Profile
    • Contact
    • CV