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Randomization as an instrumental variable
Heckman, James J. - 1995
Persistent link: https://www.econbiz.de/10000934994
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Instrumental variables, selection models, and tight bounds on the average treatment effect
Heckman, James J.; Vytlacil, Edward - 2000
Persistent link: https://www.econbiz.de/10001507899
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Local instrumental variables
Heckman, James J.; Vytlacil, Edward - 2000
Persistent link: https://www.econbiz.de/10001470565
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Treatment effects for discrete outcomes when responses to treatment vary among observationally identical persons : an application to Norwegian vocational rehabilitation programs
Aakvik, Arild; Heckman, James J.; Vytlacil, Edward - 2000
Persistent link: https://www.econbiz.de/10001515193