Date/Time
Date(s) - 15/11/2024
11:00 am - 12:30 pm

Sung Jae Jun, Professor at Pennsylvania State University will present to our economics graduate students and faculty on Friday in KTH 334!

Sung Jae’s research is in theoretical and applied econometrics. He will present the paper, “Learning the Effect of Persuasion via Difference-In-Differences” joint with Sokbae Lee.

Abstract
The persuasion rate is a key parameter for measuring the causal effect of a directional message on influencing the recipient’s behavior. Its identification analysis has largely relied on the availability of credible instruments, but the requirement is not always satisfied in observational studies. Therefore, we develop a framework for identifying, estimating, and conducting inference for the average persuasion rates on the treated using a difference-in-differences approach. The average treatment effect on the treated is a standard parameter with difference-in-differences, but it underestimates the persuasion rate in our setting. Our estimation and inference methods include regression-based approaches and semiparametrically efficient estimators. Beginning with the canonical two-period case, we extend the framework to staggered treatment settings, where we show how to conduct rich analyses like the event-study design. We revisit previous studies of the British election and the Chinese curriculum reform to illustrate the usefulness of our methodology.

View Sung Jae’s professional website.