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Matching as an econometric evaluation estimator : evidence from evaluating a job training programme
Heckman, James J. - In: The review of economic studies 64 (1997) 4, pp. 605-654
Persistent link: https://www.econbiz.de/10001337657
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Making the most out of programme evaluations and social experiments : accounting for heterogeneity in programme impacts
Heckman, James J. - In: The review of economic studies 64 (1997) 4, pp. 487-535
Persistent link: https://www.econbiz.de/10001337662