The game analysis for e-commerce based on the third-party new rule

Under the natural condition there are only sellers and buyers, this paper uses game theory to prove that the development of e-commerce is impossible because of missing information about their trading counterparties, which is well resolved with the introduction of third-party to e-commerce. Based on those discussions, this paper tries to propose new rule - Punishment and Compensation Mechanism based on third-party e-commerce. Through model building and solving, this new rule is elaborated in detail and proved to be a good way that can motivate traders to choose the good faith transactions.