Instrumental Variables: Response to Angrist and Imbens

James Heckman

Journal of Human Resources, 1999, vol. 34, issue 4, 828-837

Abstract: We compare propensity-score matching methods with covariate matching estimators. We first discuss the data requirements of propensity-score matching estimators and covariate matching estimators. Then we propose two new matching metrics incorporating the ...

Date: 1999
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