摘 要
对于日常交易中碰到的合同问题，是单纯从法律意义考虑合同的.履行还是在法律基础上再通过其他理论来调整合同的真正的社会效用，这就是现在越来越受关注的效率违约问题。效率违约就是指违约方从违约中获得的利益大于他向非违约方作出履行的期待利益。文章试从效率违约的含义及其产生的理论依据出发，对效率违约的合理性及是否可以在中国合同法中对其进行借鉴进行1些探讨。
关键词：效率违约 合同 违约责任
ABSTRACT
For Contract issues occur in daily life， considered purely the performance of contract in legal way or use other theory to adjust the social utility of contract，that is the efficiency violation question which has received more and more attention. efficiency violation is refers to that the violation side obtained bigger benefits from violation than he shall get after performing the contract. This article basis from the meaning of efficiency violation and its source， carry on some discussions about its rationality and transplantability
Keywords: efficiency violation; Contract; The liability of break a contract
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