Yuanquan Cui

Harbin Normal University

Yuanquan Cui, Associate Research Fellow at Harbin Normal University, Harbin, China. He holds a Master’s degree in Education. His research focuses on applied economics, regional digital economy and cold-region industrial development. He has presided over one provincial-level research project and participated in several prefecture-level research projects. He has published multiple peer-reviewed papers in SCI-indexed journals and prestigious domestic core journals, and has long been engaged in empirical research on regional economic development.

Articles by Yuanquan Cui

Original research

The application of a corporate bond default risk-identification model to digital economic security

This paper proposes a CatBoost-based model incorporating corporate revenue performance and governance metrics to assess the likelihood of bond default and improve prediction accuracy.

15 Sep 2026

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