An analysis of digital rights management based on cooperative game

A successful transaction of digital contents is dependent on benefits balance among participants in Digital Rights Management (abbr. DRM) ecosystem. In this paper, we analyzed the conception of effective cooperation mechanism among four parties in DRM has been analyzed. By using cooperative game, we elicited shapley value of four participants in DRM game ecosystem, and got their functions, which are fatal in upbuildding the Nash Equilibrium of the four parties.