Unobservable Selection and Coefficient Stability: Theory and Validation
收藏NBER2013-05-01 更新2025-01-04 收录
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https://www.nber.org/papers/w19054
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A common heuristic for evaluating robustness of results to omitted variable bias is to look at coefficient movements after inclusion of controls. This heuristic is informative only if selection on observables is proportional to selection on unobservables. I formalize this link, drawing on theory in
提供机构：
美国国家经济研究局
创建时间：
2013-05-01
