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We investigate the problem of predicting the average effect of a new training program using experiences with previous implementations. There are two principal complications in doing so. First, the population in which the new program will be implemented may differ from the population in which the...
Persistent link: https://www.econbiz.de/10012471693
This paper demonstrates that even under ideal conditions, social experiments in general only uniquely determine the mean impacts of programs but not the median or the distribution of program impacts. The conventional common parameter evaluation model widely used in econometrics is one case where...
Persistent link: https://www.econbiz.de/10012474330
Persistent link: https://www.econbiz.de/10013480800