A Simple Approximation for Evaluating External Validity Bias
收藏NBER2017-09-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w23826
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资源简介：
We develop a simple approximation that relates the total external validity bias in randomized trials to (i) bias from selection on observables and (ii) a measure for the role of treatment effect heterogeneity in driving selection into the experimental sample.
提供机构：
美国国家经济研究局
创建时间：
2017-09-01
