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The Perry preschoolers at late midlife : a study in design-specific inference
Heckman, James J.; Karapakula, Ganesh - 2019
Persistent link: https://www.econbiz.de/10012033638
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Intergenerational and intragenerational externalities of the Perry Preschool Project
Heckman, James J.; Karapakula, Ganesh - 2019
Persistent link: https://www.econbiz.de/10012033640
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Returns to education : the causal effects of education on earnings, health and smoking
Heckman, James J.; Humphries, John Eric; Veramendi, Gregory - 2016
Persistent link: https://www.econbiz.de/10011494842
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Selection bias, comparative advantage and heterogeneous returns to education : evidence from China in 2000
Heckman, James J.; Li, Xuesong - 2003
Persistent link: https://www.econbiz.de/10001780136
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Estimating distributions of treatment effects with an application to the returns to schooling and measurement of the effects of uncertainty on college choice
Carneiro, Pedro; Hansen, Karsten T.; Heckman, James J. - 2003
Persistent link: https://www.econbiz.de/10001743030