| Noncooperative games emphasize autonomous decision-making,while cooperative games emphasize the rationality of groups,and they play an important role in their respective fields,but they are slightly insufficient for the issue when it comes to the intertwined elements of cooperation and competition.Therefore,the proposal of the biform game breaks through the barriers between the cooperative game and the non-cooperative game,which is of great significance for analyzing the coexistence of competition and cooperation.In view of this,this thesis takes the biform game as the research object,and explores the related content of the biform game from the perspective of theory and application,mainly including two parts:The first part is the research on the theories of the biform game.Aiming at the problems in the existing literature when using the core to solve the cooperative game stage,a biform game method using the α-CIS value to solve the cooperative game stage is proposed.Using the α-CIS value to solve the problem in the cooperative game stage can effectively reduce the requirements of the characteristic function,that is,it does not need to satisfy the adding up and no externality,and the pure strategy Nash equilibrium solution of the biform game can be obtained,then the related theories are proved.Finally,the feasibility of the method is demonstrated through a numerical example comparison.The second part is the research on the application of the biform game.Aiming at the problems of investment decisions and partner selection in a two-level green supply chain consisting of one supplier and three manufacturers,construct a biform game model to analyze whether the manufacturer’s green technology innovation is considered.For the characteristics that some coalition characteristic functions are missing in the green supply chain,adopt clique solution to distribute the expected benefits of green supply chain members in the cooperative game stage while make the distribution of benefit more equitable,therefore,in the non-cooperative game stage,the partners and investment decisions selected by members of the green supply chain can be obtained,and the relevant explanations for green supply chain members’ decision-making are proved.This thesis discusses the theoretical problem of solving the cooperative game stage of the biform game model and the application problem in the green supply chain.There are two main connotations: First,theoretical research expands the scope of use of the model to some extent,and provides a new option for solving the cooperative game stage of the biform game;Second,application research is not only beneficial to reveal the internal mechanism of green supply chain partner selection,but also to provide actionable suggestions for the green supply chain managements. |