Before revision: Recently developed smoothed IPW estimators by employing Rao-Blackwellization, however, reduce the variance of IPWE by up to 7-fold and can also protect augmented inverse probability weighted estimator from model misspecification.
After revision: theRecently developed smoothed IPW estimators by employing Rao-Blackwellization, however, reduce the variance of IPWE by up to 7-fold and can also protect augmented inverse probability weighted estimator from model misspecification.