Yongkil is an assistant professor of finance at Seoul National University of Science and Technology, Seoul, Republic of Korea. His study issues are related to asset pricing and fintech. His work has been published in Financial Review, Applied Economics, Economics Letters, Electronic Commerce Research and Applications, International Journal of Bank Marketing and Applied Economics Letters.
The economic cost of a fat finger mistake: a comparative case study from Samsung Securities’s ghost stock blunder
This paper quantifies the economic cost of Samsung Securities’s ghost stock blunder using the synthetic control method.