The Law disciplines the social phenomenology forward the moral and it requires a multi and interdisciplinary vision to identify the social reality on the legal formality. The Economic Science gives effectiveness to the Law, if considered the variables of social inclusion at the economic calculus appropriated to the efficient normative and juridical decision. This article objective to identify the Social and Economic Efficiency Principle (SEEP). It's justified by the necessity to delimitate a distinct and theoretical category from the interaction between Economic Science and Law. It´s a qualitative and exploratory research, with monographic procedure and deductive boarding and research technique is bibliographic. It concludes by the Law´s creation and application that be socially inclusive; progressive, effectiveness and efficient; dealing with juridical, political and economic context like expressed by the Social and Economic Efficiency Principle.
Principle of the Economic-Social Efficiency; Economic Analysis of Law; Law and Economics