... performed only on the observations whose propensity score belongs to the intersection of the supports of the propensity score of treated andcontrols. Imposing the common support condition in the estimation ... upon request).Assessing the Conditional Independence AssumptionAn identifying assumption of the matching method, namely CIA, requires that conditional on the ob-servables, the distribution of ... IntroductionWhile marriage remains the most common foundation of family life in the U.S., the prominence of the traditional process of family formation, namely marriage before having children, is diminishing.Today,...