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Even though audit committees have traditionally been a key component of corporate governance regulation, the last decade has witnessed a greater emphasis on audit committee regulation and a parallel intensification of academic research on the subject. This review synthesizes recent empirical research seeking to investigate various aspects of audit committees’ governance role. The review is structured around current regulatory expectations of audit committees seeking to document the extent to which specific characteristics of good practice influence various components of audit committee effectiveness. It is found that larger and more independent audit committees as well as those with financial expertise are more likely to seek a higher level of external audit coverage and assurance. There is also evidence that more independent audit committees are associated with the purchase of lower levels of non‐audit services from auditors, thereby seeking to preserve the independence of the external audit process. There seems a consensus that more independent audit committees and those with greater accounting/financial expertise have a positive impact on the quality of financial statements. Evidence on the stock market reaction to audit committee issues suggests that investors both welcome the presence of audit committees and react positively when members are appointed with relevant expertise. It is also found that internal auditors view certain audit committee characteristics, specifically independence, expertise and frequency of meetings, as leading to more effective audit committee performance. In summary, therefore, this review documents a significant amount of evidence offering support to current regulations concerning the desired characteristics of audit committees.

In this study, we examine the association of audit committee chair financial, experiential and monitoring expertise with the audit report lag period. We find that the experiential and monitoring expertise of audit committee chairs have a significant negative association with the delay in the audit report lag period, possibly resulting in more effective audit committee chairs, at least in the face of financial reporting timeliness. We also find that the audit committee composite compliance variable has a significant negative association with the audit report lag period, which suggests that a firm's compliance with audit committee regulations is also beneficial for financial reporting timeliness. These are important findings from the practice, academic and public policy perspectives.

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Charity governance is undergoing a crisis of confidence. In this paper, we suggest an alternative approach to how governance could be perceived and conceptualized by considering the ethical notions of governance embedded in religious enquiry, with a specific focus on the Islamic perspective of governance. We firstly develop an ethical framework for charity governance, utilizing insight from the Islamic perspective. Secondly, we undertake an empirical study to assess the experience of governance within Islamic charity organizations. Our theoretical framework provides a comprehensive approach to viewing organizational governance with an emphasis on governance as a mechanism for working towards social justice and the public good. However, our empirical findings reveal an 'ethical gap' between the ideals of the Islamic Ethical Framework and the reality of governance practice within Muslim charity organizations. We consider the implications of these findings and outline avenues for future research.