- Conflicts of Interest among Securities Firms Running Asset Management Businesses (with Rae-Soo Park), The Korean Journal of Finance, Vol. 20, Number 3, 2007.
- Securities Holdings of Banks in Incomplete Capital Markets, The Korean Journal of Financial Management, Vol. 24, Number 3, 2007.
- Lending Relationships, Credit Availability, and Banking Crises (2006, with S. Y. Park and Gregory F. Udell), under review.
- Financial Structure Does Matter: A Direct Evidence from OECD countries (2006, with K. B. Binh and S. Y. Park), under review.
- Market Characteristics, Human Capital Accumulation and Wage Structure: Empirical Evidence from the Korean Financial Sectors (2008, with K. S. Choi and J. H. Jung), Journal of Money Finance, Vol.22, No.4