Informatividade do ativo e o risco sistemático das empresas reguladas de infraestrutura após a adoção das IFRS no Brasil

Autores

DOI:

https://doi.org/10.16930/2237-766220253594

Palavras-chave:

IFRS, IFRIC 12, Informatividade do Ativo, Risco Sistemático, Empresas Reguladas

Resumo

Este estudo analisa a relação entre a informatividade do ativo contábil e o risco sistemático de empresas reguladas de infraestrutura no Brasil após a adoção das IFRS, com foco nas empresas que aplicaram a IFRIC 12. Utilizando dados de 89 empresas brasileiras com ações negociadas na B3, das 21 reguladas que aplicaram a IFRIC 12, foram realizadas regressões lineares em painel, pelo método de diferenças em diferenças, com dados de 2004 a 2022. A informatividade do ativo foi medida pelo coeficiente de determinação (R²) em regressões do resultado operacional em função dos ativos defasados. Este estudo se diferencia de estudos anteriores por tratar de temática ainda pouco explorada, a informatividade de ativos. Os achados demonstram que a informatividade do ativo contábil das empresas que aplicaram a IFRIC 12 na vigência das IFRS está associada à redução no risco sistemático. No entanto, para as empresas em geral, a informatividade do ativo contábil está positivamente associada ao risco sistemático quando se considera todo o período do estudo, mas negativamente associada após as IFRS. O estudo contribui com a literatura ao utilizar nova medida para mensurar a qualidade da informação contábil e por focar em empresas que aplicaram a IFRIC 12. O trabalho contribui com preparadores, ao identificar como a IFRS e IFRIC 12 favoreceram a capacidade do ativo informar sobre o resultado das empresas, reduzindo o risco sistemático. Também auxilia na compreensão de como escolhas e métodos contábeis podem se refletir no ativo e, consequentemente, no risco das empresas. Adicionalmente, o estudo auxilia formuladores de políticas públicas, reguladores e investidores a identificarem consequências econômicas da adoção mandatória das IFRS sobre o risco sistemático dessas empresas e como isso pode afetar o custo de capital e o seu valor econômico.

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Publicado

2025-06-18

Como Citar

Cardoso, V. R. dos S., & Britto, P. A. P. de. (2025). Informatividade do ativo e o risco sistemático das empresas reguladas de infraestrutura após a adoção das IFRS no Brasil. Revista Catarinense Da Ciência Contábil, 24, e3594. https://doi.org/10.16930/2237-766220253594

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