matching estimators. This representation allows the use of martingale limit theorems to derive the asymptotic distribution of …Matching estimators are widely used in statistical data analysis. However, the distribution of matching estimators has … been derived only for particular cases (Abadie and Imbens, 2006). This article establishes a martingale representation for …

article establishes a martingale representation for matching estimators. This representation allows the use of martingale …Matching estimators (Rubin, 1973a, 1977; Rosenbaum, 2002) are widely used in statistical data analysis. However, the … large sample distribution of matching estimators has been derived only for particular cases (Abadie and Imbens, 2006). This …

matching estimators. This representation allows the use of martingale limit theorems to derive the asymptotic distribution of …Matching estimators are widely used in statistical data analysis. However, the distribution of matching estimators has … been derived only for particular cases (Abadie and Imbens, 2006). This article establishes a martingale representation for …

of selection) in matching, instrumental variable and control functions methods. (2) It contrasts the roles of exclusion … restrictions in matching and selection models. (3) It characterizes the sensivity of matching to the choice of conditioning …. (4) It demonstrates the problem of choosing the conditioning variables in matching and the failure of conventional model …