Frölich, Markus (contributor); Melly, Blaise (contributor) - 2008
endogenous. In contrast to conditional QTE, i.e. the effects conditional on a large number of covariates X, the unconditional QTE … paper we extend the identification of unconditional QTE to endogenous treatments. Identification is based on a monotonicity … attainment of the semiparametric efficiency bound are shown for our weighting estimator, which is extremely simple to implement …