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Journal of Financial and Quantitative Analysis Vol. 60 No. 4 2025

Judge Ideology and Opportunistic Insider Trading

ALLEN HUANG1,2; Kai Wai Hui1,2; Yue Zheng1,2

1 Hong Kong University of Science and Technology · 2 University of Hong Kong

open access

Abstract

Although federal judges are the ultimate arbiters of insider trading enforcement, the role of their political ideology in insider trading is unclear. Using the partisanship of judges’ nominating presidents to measure judge ideology, we first document that liberal judges are associated with heavier penalties in insider trading lawsuits than conservative judges. Next, we find that firms located in circuits with more liberal judges have fewer opportunistic insider sales. Cross-sectional analyses show that this deterrent effect is stronger when managers face a higher risk of insider trading lawsuits. Finally, we find that the Securities and Exchange Commission considers judges’ ideology when selecting litigation forums.

DOI
10.1017/s0022109024000164
Volume
60
Issue
4
Pages
1656-1685
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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