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arXiv · 2509.26517

Persuasion Effects in Regression Discontinuity Designs

Sung Jae Jun·Sokbae Lee
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Abstract

We develop a framework for identifying and estimating persuasion effects in regression discontinuity (RD) designs. The RD persuasion rate measures the probability that individuals at the threshold would take the action if exposed to a persuasive message, given that they would not take the action without exposure. We present identification results for both sharp and fuzzy RD designs, derive sharp bounds under various data scenarios, and extend the analysis to local compliers. Estimation and inference rely on local polynomial regression, enabling straightforward implementation with standard RD tools. Applications to public health and media illustrate its empirical relevance.

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Sung Jae Jun, Sokbae Lee. 2025-09-30. Persuasion Effects in Regression Discontinuity Designs. https://arxiv.org/abs/2509.26517

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