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The performance of performance standards
Heckman, James J.; Heinrich, Carolyn J.; Smith, Jeffrey A. - In: Journal of human resources : JHR 37 (2002) 4, pp. 778-811
Persistent link: https://www.econbiz.de/10001711408
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Instrumental variables : a study of implicit behavioral assumptions used in making program evaluations
Heckman, James J. - In: Journal of human resources : JHR 32 (1997) 3, pp. 441-462
Persistent link: https://www.econbiz.de/10001225494
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Instrumental variables methods for the correlated random coefficient model : estimating the average rate of return to schooling when the return is correlated with schooling
Heckman, James J.; Vytlacil, Edward - In: Journal of human resources : JHR 33 (1998) 4, pp. 974-987
Persistent link: https://www.econbiz.de/10001256149
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Formulating, identifying and estimating the technology of cognitive and noncognitive skill formation
Cunha, Flávio; Heckman, James J. - In: Journal of human resources : JHR 43 (2008) 4, pp. 738-782
Persistent link: https://www.econbiz.de/10003780202