Graduation Year

2021

Date of Submission

5-2021

Document Type

Campus Only Senior Thesis

Degree Name

Bachelor of Arts

Department

Economics

Second Department

Psychology

Reader 1

Professor Rosett

Rights Information

© 2021 David X Chen

Abstract

Former United States President Donald J. Trump consistently utilized Twitter to convey his opinions and attitudes with the public. His tweets contained critical information that influenced market sentiment and investor behaviors. This study quantifies the impact of Trump’s industry sentiment across 15 industries from December 31, 2016 to January 8, 2021. I find that his tweets with a positive industry sentiment significantly increased mean excess returns across particular industries. Furthermore, industries with a stronger negative sentiment are more responsive to Trump’s tweets with significantly stronger abnormal trading volumes.

This thesis is restricted to the Claremont Colleges current faculty, students, and staff.

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