Multivariate Matching Methods That Are Monotonic Imbalance Bounding
具有单调不平衡界限的多元匹配方法AI 解读 ↓
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具有单调不平衡界限的多元匹配方法AI 解读 ↓
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We introduce a new “Monotonic Imbalance Bounding” (MIB) class of matching methods for causal inference with a surprisingly large number of attractive statistical properties. MIB generalizes and extends in several new directions the only existing class, “Equal Percent Bias Reducing” (EPBR), which is designed to satisfy weaker properties and only in expectation. We also offer strategies to obtain specific members of the MIB class, and analyze in more detail a member of this class, called Coarsened Exact Matching, whose properties we analyze from this new perspective. We offer a variety of analytical results and numerical simulations that demonstrate how members of the MIB class can dramatically improve inferences relative to EPBR-based matching methods.
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观测因果推断中不完全识别下的相对偏差
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组间不平衡下的风险异质性稳健推断
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