Evidencia empírica sobre la implementación de la NIA 701 y la relevancia de KAM (Key Audit Matters) en la valoración bursátil en México.
DOI:
https://doi.org/10.26871/killkana_social.v10i1.1699Keywords:
Cuestiones clave de auditoría, Valoración Bursátil, relevancia de valorAbstract
The objective of this study is to determine the effect of the implementation of International Standard on Auditing (ISA 701) on the stock market valuation of non-financial companies listed on the Mexican Stock Exchange (BMV). Using a panel data model, the analysis compares the informational relevance of Key Audit Matters (KAM) in the pre- and post-adoption periods (2012–2023). A fixed-effects multiple linear regression was estimated under a difference-in-differences approach, after applying robustness tests and incorporating classical financial variables and macro-structural controls. The results show that the variable Post2016, which captures the entry into force of ISA 701, exhibits a positive and highly significant coefficient, evidencing a structural change in the way the market values firms following the new regulation in Mexico. Consequently, the findings validate the effectiveness of ISA 701 as a regulatory tool in emerging markets, as it enhances transparency, helps reduce information asymmetry for investors, and strengthens confidence in the independent auditor by providing a narrative window to communicate the significant risks identified during the audit process.
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Copyright (c) 2026 Maria Alicia Benavides Pintos, Silverio Tamez Garza , Héctor Horacio Garza Sánchez , Sergio Alberto Guerra Moya , Paula Villalpando Cadena
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