Du, Huiying; Zhu, Ge; Zhao, Limin; Lv, Tingjie - In: Nankai Business Review International 3 (2012) 3, pp. 257-283
Purpose – As the market competition becomes increasingly intensive and the profit from traditional voice services margins gradually decline, 3G telecom operators must provide various value‐added services to enhance the ARPU (average revenue per user). The purpose of this paper is to...