Lecturer at Faculty of Economics, Nong Lam University HCMC since 2017, Ms. Tong Bao Ngoc is a lecturer of Department of Business Administration. She received a full scholarship for Ph.D from National Yunlin University of Technology and science in 2018. Currently, she is completing her PhD program of Finance at Yunlin University. Her research interests are Finance and Financial Management; focusing on Market Efficiency and Using DEA to measure Financial Market productivity.