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Testing the correlated random coefficient model
Heckman, James J.; Schmierer, Daniel; Urzua, Sergio - 2009
Persistent link: https://www.econbiz.de/10003904209
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Estimating the technology of cognitive and noncognitive skill formation
Cunha, Flávio; Heckman, James J.; Schennach, Susanne M. - 2010 - Rev.
Persistent link: https://www.econbiz.de/10003981484
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Sample selectivity and the validity of international student achievement tests in economic research
Hanushek, Eric Alan; Woessmann, Ludger - 2010
Persistent link: https://www.econbiz.de/10003958904
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Inference with imperfect randomization : the case of the Perry Preschool program
Heckman, James J.; Pinto, Rodrigo; Shaikh, Azeem M.; … - 2011
Persistent link: https://www.econbiz.de/10009008640