Selection into Identification in Fixed Effects Models, with Application to Head Start
收藏NBER2019-08-01 更新2025-01-04 收录
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https://www.nber.org/papers/w26174
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资源简介:
Many papers use fixed effects (FE) to identify causal impacts of an intervention. In this paper we show that when the treatment status only varies within some groups, this design can induce non-random selection of groups into the identifying sample, which we term selection into identification (SI).
提供机构:
美国国家经济研究局
创建时间:
2019-08-01



