Abstract
The New Institutional Economics will influence political and social thinking, from the post-war period onwards and will be strengthened with globalization, becoming a theoretical instrument for several other sciences, such as Law. In this sense, this article will seek to understand how institutions and institutional theories influenced the formation of the Brazilian State. For this incursion, a study is made on institutional theories and, then, it studies the influence of institutions and Institutionalism for the formation of the Brazilian State. This article, from the point of view of approaching the problem, was treated in a qualitative way, in relation to the objectives, descriptive research was used, from the point of view of technical procedures, it was carried out through a bibliographic study. In Brazil, the social structure is based on values of economic rationality. The autonomy of private will and the presuppositions of freedom and equality, announced by liberalism and later by neoliberalism, guide social relations.
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