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arXiv stat.ML · Papers

Decomposition of Spillover Effects Under Misspecification: Pseudo-true Estimands and a Local-Global Extension

arXiv:2602.12023v4 Announce Type: replace-cross Abstract: To measure spillovers, researchers often summarize who else was treated with a simple measure, such as the share of treated neighbors. We study what the researcher estimates when that summary is misspecified. We show that the researcher estimates the best approx