← Search Review of Economic Studies 1997 Performance of matching as an econometric estimator: application to the JTPA program James J. Heckman; Hidehiko Ichimura; Petra Todd Sources openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓