A game comparison and analysis of leaguer selection in dynamic alliance

after introducing the definition and characteristic of the dynamic alliance, a simple equation for achieving the maximum profits was constructed on the basis of the leaguers' relations of interests. By analyzing these things with the knowledge of game theory, we compared non-cooperative game and cooperative game, especially the only once argument cooperative game and the offer-counter offer, to made a conclusion the equilibrium answers of only once argument cooperative game is the best method, and then talk about the instability of it.