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14 de abril 2015
A Matching Estimator Based on a Bi-level Optimization Problem

This paper proposes a novel matching estimator where neighbors used and weights are endogenously determined by optimizing a covariate balance criterion. The estimator is based on finding, for each unit that needs to be matched, sets of observations such that a convex combination of them has the same covariate values as the unit needing matching, […]