The Influence of the Board of Directors and the Auditor in the Disclosure of Derivative Financial Instruments: Evidence on Portuguese Capital Market

Purpose: This article aims to analyze the influence of certain characteristics board directors and auditor on disclosure derivative financial instruments. Theoretical framework: Operations with instruments are associated high risks, so these operations their results helps reduce information asymmetries. On other hand, acccording agency theory, can affect quality level disclosed. Design/methodology/approach: The data were obtained through content analysis, considering 2017 reports accounts 37 companies listed Euronext Lisbon, a index. Subsequently, multiple linear regression model was developed identify determinants about Findings: revealed that only number independent members directors, auditor's gender, size entity Research, Practical & Social implications: study may be useful for regulators in setting requirements companies' decision making defining auditor. Originality/value: It contributes literature compliance IFRS perception