中文摘要：

基于伦理学视角分析囚徒困境的博弈论模型及其拓展形式,利用博弈论的语言例示＂集体利益＂和＂个人利益＂的关系,否证＂每个人追求个人利益最大化就可以实现集体利益最大化＂这一论断。并将其推广到未知次数的重复囚徒困境的动态博弈问题,得出＂首善＂和＂宽容＂是成功策略的两个重要因素的结论。

英文摘要：

The paper analyzes the mode of game theory and expansion form of the Prisoner＇s dilemma from the perspective of the ethics; it illustrates the relationship between the ＂collective interests＂and＂private interests＂by means of the language of the game theory and refutes the claim that every one pursues the maximization of the personal interests and this can maximize the collective interests. By generalizing it into unknown frequent dynamic problems of the repeated prisoner ＇s dilemma,it concludes that first kindness and tolerance are the two important factors for the successful strategies.