代表性论文: 1. Xueli Zhang, Defeng Yang, Can Li. Search engine marketing for different competition modes-interfirm and intrafirm,RAIRO-Operations research,2023.6.14,57(3). 1285-1306. 2. Defeng Yang, Xueli Zhang.When friends become enemies: co-opetition relationships between banks and third-party payment providers. International Journal of Bank Marketing. 2020.5.22. |