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Making the most out of social experiments : reducing the intrinsic uncertainty in evidence from randomized trials with an application to the national JTPA experiment
Clements, Nancy; Heckman, James J.; Smith, Jeffrey A. - 1994
Persistent link: https://www.econbiz.de/10000884776
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Accounting for dropouts in evaluations of social experiments
Heckman, James J.; Smith, Jeffrey A.; Taber, Christopher - 1994
Persistent link: https://www.econbiz.de/10000934892
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Instrumental variables : a cautionary tale
Heckman, James J. - 1995
Persistent link: https://www.econbiz.de/10013453512