A New Cost-Benefit and Rate of Return Analysis for the Perry Preschool Program: A Summary
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https://www.nber.org/papers/w16180
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资源简介:
This paper summarizes our recent work on the rate of return and cost-benefit ratio of an influential early childhood program.
提供机构:
美国国家经济研究局
创建时间:
2010-07-01



