Darwin Ugarte OntiverosGustavo Canavire‐BacarrezaLuis Castro Peñarrieta2026-03-222026-03-22201710.2139/ssrn.3063316https://doi.org/10.2139/ssrn.3063316https://andeanlibrary.org/handle/123456789/83696Citaciones: 3enOutlierEstimatorLeverage (statistics)EconometricsParametric statisticsPropensity score matchingMatching (statistics)StatisticsMonte Carlo methodRobust statisticsOutliers in Semi-Parametric Estimation of Treatment Effectspreprint