Institution: | 1. School of Business, Qingdao University, Qingdao 266071, China;2. Saint Petersburg State University, Saint Petersburg, Russia;3. Institute of Applied Mathematics of Shandong, Qingdao 266071, China;4. School of Mathematics and Statistics, Qingdao University, Qingdao 266071, China;5. Chair in Game Theory and Management, GERAD, HEC, Montreal, Canada;6. School of Mathematics and Statistics, Qingdao University, Qingdao 266071, China |