Audit Committees and Managerial Influence on Audit Quality: ‘Voluntary’ versus ‘Mandatory’ Approach to Corporate Governance

This study provides empirical evidence on how managerial influence to reduce audit quality is moderated by a combination of the audit committee (AC) form and compliance with AC best practice guidelines. There is a negative association between managerial ownership and audit fees; however, the association becomes positive when a voluntary AC follows best practices. Furthermore, the results are robust to the exclusion of industries with large frequency in the sample, the consideration of Korean business groups and recessionary times. The results of this study imply that a voluntary approach to corporate governance, which encourages companies to follow best practice guidelines in the form and composition of the AC, is more effective in controlling management than a mandatory approach. This study contributes to policy making aimed at improving AC effectiveness.