发誓是人类社会生活中常见的一种言语行为现象,其出现源自于信任的不足。发誓的一般结构包括发誓人、发誓对象、发誓内容、发誓约束。发誓的目的是通过发誓使发誓对象相信发誓内容,使发誓内容成为双方的公共信念,继而建立互信,从而使他们在博弈或后继互动中获取最大收益。这是建立社会信用的一种微观路径。由发誓建构互信的博弈机制是发誓人的发誓态度应当导致发誓人与发誓对象选择不同的策略,且他们的偏好或策略选择具有一致性。此外,他人在场见证发誓能够增强发誓人与发誓对象之间公共信念的强度,这是一种辅助的反反悔机制。
Swear, resulted from the lack of trust, is one of the speech act phenomena common in social life. The general structure of swear includes subject of swear, object of swear, the contents and swear constraint. The aim of swear is to build mutual trust between the subject and object of swear, and to maximize the gains of both in their game. This is the micro way to build social credit system. The game mechanism of swear and mutual trust is that the attitudes of swear subject should lead to their different strategies respectively, and the subject and object of swear have consistent preference or strategy. As an auxiliary anti - regret mechanism, other people' s witness will strength- en common belief.