Study on the share ratio between a service provider and two carriers

Based on the premise of obtaining optimal revenue, a mathematical model about operation strategies of service provider (SP) in duopoly telecom market was established in this article. In consideration of complexities, the model was transformed from a tri-game to two-party game model under four hypotheses. Nash equilibrium solution between SP and two carriers was proposed with detailed analyses. The value ranges under different cases provided a reference for carriers and SP while deciding share ratios.