Conceptualisation of Earnings Management as a Proxy for the Quality of Audit Reports in Corporate Companies.

The credibility of corporate financial reporting is fundamentally anchored on the quality of audit reports, which are expected to assure stakeholders of the reliability and transparency of reported earnings. However, persistent evidence of earnings management across global, African, and Nigerian corporate environments raises critical concerns about the effectiveness of audits in constraining managerial opportunism. This study conceptually examines earnings management as a proxy for audit report quality in corporate companies. Drawing on agency theory, positive accounting theory, information asymmetry, signalling, stakeholder theory, legitimacy theory, and behavioural perspectives, the paper positions earnings management as an observable outcome of audit effectiveness. Lower levels of earnings management indicate stronger audit scrutiny and higher audit quality, while higher levels signal weak audit oversight and compromised reporting integrity. The study synthesises prior empirical and theoretical literature to review the nature, forms, and measurement of earnings management, including accrual-based manipulation, real activities manipulation, classification shifting, income smoothing, big bath accounting, and emerging forensic and market-based proxies. It further reviews widely used measurement models, including the Modified Jones Model, Kothari performance-matched accruals, Roychowdhury real-activity models, and hybrid forensic approaches. Evidence from corporate scandals and empirical studies across developed markets, Africa, and Nigeria underscores that weak governance structures, compromised auditor independence, ineffective audit committees, and weak regulatory enforcement exacerbate earnings management practices. The paper contributes to audit and corporate governance literature by reinforcing the conceptual linkage between earnings management and audit report quality, particularly in emerging markets characterised by institutional weaknesses. It highlights the policy and practical implications for regulators, auditors, and corporate boards, emphasising the need for stronger governance mechanisms, enhanced auditor independence, and effective enforcement of financial reporting standards to reduce earnings management and improve audit report quality. Ultimately, the study affirms earnings management as a robust and practical proxy for assessing the quality of audit reports in corporate companies.