Unverified50% confidenceTradeoffExact time
工具变量法要求工具满足'排他性约束',即工具只通过处理变量影响结果,这一假设往往难以被证伪
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
为观察性证据正名:当随机对照试验无法回答一切
hackernewshackernews7/1/2026
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