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The education-health gradient
Conti, Gabriella; Heckman, James J.; Urzua, Sergio - In: The American economic review 100 (2010) 2, pp. 234-238
Persistent link: https://www.econbiz.de/10008748436
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The importance of noncognitive skills : lessons from the GED testing program
Heckman, James J.; Rubinstein, Yona - In: The American economic review 91 (2001) 2, pp. 145-149
Persistent link: https://www.econbiz.de/10001585171