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Evaluating preschool programs when length of exposure to the program varies : a nonparametric approach
Behrman, Jere R.; Cheng, Yingmei; Todd, Petra - In: The review of economics and statistics 86 (2004) 1, pp. 108-132
Persistent link: https://www.econbiz.de/10002017689
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Human capital pricing equations with an application to estimating the effect of schooling quality on earnings
Heckman, James J. - In: The review of economics and statistics 78 (1996) 4, pp. 562-610
Persistent link: https://www.econbiz.de/10001334847
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Evaluating Preschool Programs When Length of Exposure to the Program Varies: A Nonparametric Approach
Behrman, Jere R.; Cheng, Yingmei; Todd, Petra E. - In: The review of economics and statistics 86 (2004) 1, pp. 108-132
Persistent link: https://www.econbiz.de/10006366379