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Alfredo Sarlo

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Open access 2026

Corporate Governance and Tax Litigation: Evidence from Brazil’s B3 Market

ABSTRACT Objective: examine how corporate governance indicators - Novo Mercado (NM), Novo Mercado Index (IGNM), Corporate Governance Index (IGC), and Tag Along Index (ITAG) - relate to tax litigation among B3-listed firms. Methods: we analyze 3,290 firm-year observations from 254 B3 companies (2009-2023) using OLS, ran...

Antonio Lopo Martinez, Arquimedes de Jesus Moraes, A. Sarlo et al. · 0 citations
Open access Aug 2026

Tax Litigation and Characteristics of Audit Opinions: Implications for Transparency and Trust in B3

Purpose. This study investigates how tax litigation affects the length, tone, clarity, and complexity of audit opinions for companies listed on Brazil’s B3 exchange, and the implications for financial reporting transparency and trust. Design/methodology/approach. A fixed-effects panel analysis is applied to 233 firms...

Antonio Lopo Martinez, Arquimedes De Jesus Moraes, Fernando Ferreira dos Santos et al. · 0 citations

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