Geopolitical Risk in Corporate Risk Networks

• Co-authors: Roope Keloharju, Jingoo Kwon, and David Park

• Working draft (as of May 2026), under revision

Is It Necessary and Robust? Decomposing LLM's Reasoning Quality

• Co-author: Sangwon Yoon

• Working draft (as of May 2026), under revision

Tractable Use of Large Language Models in Financial Economics Research

• Solo-authored

• Working draft (as of May 2026)

 Vocal Delivery Quality in Earnings Conference Calls

• Co-authors: Bok Baik, David Kim, and Sangwon Yoon

• Published in the Journal of Accounting & Economics (2025)

Firm-Level Tax Audits: A Generative AI-Based Measurement 

• Co-author: Ga-Young Choi

• Working draft (as of July 2025), under revision

Learning Fundamentals from Text

• Co-authors: Maximilian Muhn, Valeri Nikolaev, and Yijing Zhang

• Working draft (as of November 2024)

DEBATE: Devil's Advocate Based Assessment and Text Evaluation 

• Co-authors: Keonwoo Kim and Sangwon Yoon 

• Published in ACL (2024)

Detecting Rumor Veracity with Only Textual Information by Double-Channel Structure

• Co-author: Sangwon Yoon

• Published in NAACL (2022, Workshop)

Corporate Bankruptcy Prediction with Domain-Adapted BERT 

• Co-author: Sangwon Yoon

• Published in EMNLP (2021, Workshop)

Persona Zoo (with Sangwon Yoon)

Relative ESG Evaluation (with Kyungmin Kim and Jongsub Lee)