James J. Heckman
Abstract
This paper has two objectives. The first is to review the basic principles underlying the identification of conventional econometric evaluation estimators and their recent extensions. The second is to apply the analysis to make explicit the implicit assumptions used in the method of matching.
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This paper has two objectives. The first is to review the basic principles underlying the identification of conventional econometric evaluation estimators and their recent extensions. The second is to apply the analysis to make explicit the implicit assumptions used in the method of matching.
Key concepts: Estimator, Matching (statistics), Identification (biology), Computer science, Econometrics, Mathematical economics, Management science, Mathematics