1. College of International Economics & Trade, Ningbo University of Finance & Economics, Ningbo 315175, China
2. Department of Economics, Sejong University, Seoul 05006, Republic of Korea
3. Department of Logistics, Service & Operations Management, Korea University Business School, Seoul 02841, Republic of Korea
4. School of Business, Zhejiang University City College, Hangzhou 310015, China
5. The Graduate School of Technology Management, Kyunghee University, Yongin 17104, Republic of Korea