Exploring Information Symmetry and the Size in the Team with the Choices Between Personal and Common Interests in the Group

Teamwork is extremely important from everyday life to international relations. Nonetheless, plenty of issues are created during collaboration. To be specific, there is free rider problem, unequal distribution, outcome distribution. This article argues, through a cross-section of literature and experimental methods, and cross-applying classical economics, behavioral economics, psychology, and game theory. Through research on game theory, the theory can help humans to better allocate and utilize resources and accomplish tasks more efficiently. Literature and experiment approaches are used in this work. Paper conclude expected person types including Committed collaborators, Generous contributors, free rider, cooperative gamblers, non-cooperative gamblers, Swing players, Cooperative leader, threatening leader, Deliberate saboteurs. In this paper, the reasons that willing to collaborate are fairness tendency, donation motivation, high information symmetry, Appropriate punishment facilitates teamwork, efficient team size. On the contrary, reasons of unwilling to collaborate include: Traditional rational person, hitchhiking behavior, unwillingness to free-riding behavior. To collaborate more efficiently, this article proposes that smaller team size, higher information symmetry is required.