Libertarian mitigated paternalism? Reflections regarding ARE No. 1,309,642

Authors

DOI:

https://doi.org/10.12957/rqi.2025.88811

Keywords:

Libertarian paternalism, Nudge, Individual autonomy, Matrimonial property scheme, Senior citizen

Abstract

Libertarian paternalism and its strategies of minimal intervention in private autonomy have been gaining ground in Brazil, following a growing interest in behavioral economics studies driven by Israeli and American Daniel Kahneman. Having originated in the 1950s, the criticisms and concerns of behavioral economics about the possibility of directing individual will are still in an early stage of debate in Brazil. This article seeks to contribute to this debate by analyzing the judgment of Interlocutory Appeal in Extraordinary Appeal No. 1,309,642. In it, the Federal Supreme Court gave an interpretation in accordance with the Constitution to art. 1,641, II of the Civil Code, transforming the regime of mandatory separation of assets for septuagenarians into a standard rule, safeguarding the possibility of opting for an alternative regime through a public deed. As a result, it was possible to extract from the judgment the STF's preference for a less intense state paternalism rather than a strong and coercive paternalism, but there was no confrontation with critical and ethical issues involving nudge strategies. The research methodology is bibliographic through the review of existing literature on the topic.

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Author Biographies

Valter Shuenquener de Araujo, Faculdade de Direito da UERJ

Faculdade de Direito da UERJ

Departamento de Direito do Estado

Mestre e Doutor em Direito Público pela UERJ

KZS pela Ruprecht-Karls Universität de Heidelberg

Márcio Bellora Saraceni, UERJ

Mestrando em Direito Público (UERJ). Master of Laws (LL.M) pela Erasmus Universiteit Rotterdam (Países Baixos). Pós-graduado em Infraestrutura e Regulação pela Fundação Getúlio Vargas do Rio de Janeiro (FGV-RJ). Advogado.

Published

2026-02-20

How to Cite

de Araujo, V. S., & Bellora Saraceni, M. (2026). Libertarian mitigated paternalism? Reflections regarding ARE No. 1,309,642. REVISTA QUAESTIO IURIS, 18(2), 150–169. https://doi.org/10.12957/rqi.2025.88811

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