Why High-order Polynomials Should not be Used in Regression Discontinuity Designs
收藏NBER2014-08-01 更新2025-01-04 收录
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https://www.nber.org/papers/w20405
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资源简介：
It is common in regression discontinuity analysis to control for high order (third, fourth, or higher) polynomials of the forcing variable. We argue that estimators for causal effects based on such methods can be misleading, and we recommend researchers do not use them, and instead use estimators
提供机构：
美国国家经济研究局
创建时间：
2014-08-01
