Nivel de divulgación ESG de las empresas que cotizan en bolsa: un análisis de la rentabilidad de las acciones, en Brasil

Autores

DOI:

https://doi.org/10.21680/2176-9036.2025v17n2ID40774

Palavras-chave:

Divulgación ESG; Normas Internacionales; Retorno de Acciones.

Resumo

Objetivo: El objetivo general de la investigación es evaluar la relación entre la divulgación ESG (Environment, Social and Governance), en línea con las nuevas normas IFRS S1 y IFRS S2 (International Financial Reporting Standards S1 y S2), y el retorno anormal de acciones de empresas de capital abierto.

Metodología: La muestra del estudio estuvo compuesta por 48 empresas brasileñas que cotizan en bolsa, lo que permitió un análisis basado también en 48 observaciones. Los informes analizados se refieren al año 2023, para representar un período más cercano a los nuevos requisitos internacionales en materia de divulgación ESG. La divulgación se evaluó con base en un diccionario de palabras que también consideró el contexto en el que se divulgó la información. Respecto al retorno anormal, se estimó mediante un Estudio de Eventos. La comparación de rendimientos anormales en relación con diferentes niveles de divulgación se realizó mediante la prueba de diferencia de medias.

Resultados: Los principales resultados mostraron que, al día siguiente de la publicación de los informes, el rendimiento anormal promedio del grupo de empresas con mayor índice ESG fue estadísticamente diferente del rendimiento anormal promedio del otro grupo, que tiene un menor índice ESG. El análisis descriptivo también indica resaltan un desafío importante para las empresas al comenzar a divulgar elementos más detallados sobre la divulgación ESG. En cuanto a la relación entre divulgación y rendimientos anormales en la fecha de divulgación (fecha cero), no se observó relación significativa.

Contribuciones del Estudio: Los resultados de la investigación indican una visión general de la divulgación en materia ESG por parte de las empresas listadas en Brasil, además de indicar algunos desafíos relacionados con la implementación de los requisitos que ahora son parte de las normas contables internacionales. Esto puede contribuir a generar información más completa para los inversores.

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Biografia do Autor

Rodrigo Fernandes Malaquias, Universidad Federal de Uberlândia.

Doctor en Administración de Empresas por la EAESP/FGV. Profesor asociado de la Universidad Federal de Uberlândia, Facultad de Administración y Negocios, Departamento de Finanzas.

Pablo Zambra, Universidad Federal de Uberlândia (UFU).

Máster en Ciencias Contables por la Universidad Federal de Uberlândia (UFU). Actualmente es estudiante de doctorado en la Universidad de Sevilla (España). Auditor en Deloitte (Chile).

José Angel Perez Lopez, Universidad de Sevilla (España).

Doctor por la Universidad de Sevilla, Facultad de Turismo y Finanzas (Sevilla, España). Catedrático de la Universidad de Sevilla (España).

Nuria Reguera Alvarado, Universidad de Sevilla (España).

Doctorado Economía de la Empresa (Contabilidad y Economía Financiera). Catedrático de la Universidad de Sevilla (España).

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Publicado

03-07-2025

Como Citar

Malaquias, R. F. ., Zambra, P. ., Lopez, J. A. P. ., & Alvarado, N. R. (2025). Nivel de divulgación ESG de las empresas que cotizan en bolsa: un análisis de la rentabilidad de las acciones, en Brasil. REVISTA AMBIENTE CONTÁBIL - Universidade Federal Do Rio Grande Do Norte - ISSN 2176-9036, 17(2). https://doi.org/10.21680/2176-9036.2025v17n2ID40774

Edição

Seção

Seção 7: Internacional (S7)