This study examines whether (1) assurance, (2) the level of assurance (reasonable vs limited) and (3) the type of assurance practitioner (accountant vs specialist consultant) affect users' perceptions of reliability of sustainability reports. Based on an experimental questionnaire, we find that the provision of assurance improves perceived reliability of the environmental and social information. There are no significant main effects for both the level of assurance and type of assurance practitioner. However, a significant interaction is found between these two experimental factors and report users' perceptions of reliability of such reports. More specifically, report users place more confidence in sustainability reports when the level of assurance provided is reasonable (that is, high but not absolute), and when such assurance is provided by a top tier accountancy firm, compared to when the assurance is provided by a specialist consultant. No such difference is found when the level of assurance provided is limited for either type of assurance practitioner group. The results of this study thus highlight the relevance of assurance for sustainability reporting.

For reporting periods ending on or after 30 June 2004, Australian companies were required to disclose the expected impact of applying Australian equivalents of International Financial Reporting Standards effective from 1 January 2005. The objective of this paper is to examine the association between the level of disclosure and corporate governance quality. Using a sample of listed companies with 30 June balance dates, we find that the quantity of disclosure was positively related to some aspects of superior corporate governance, such as the frequency of board and audit committee meetings and the choice of auditor.

This paper extends previous research on the association between corporate governance mechanisms and accruals quality. We derive measures of the discretionary and innate components of accruals quality and regress them against corporate governance characteristics. For discretionary accruals, we find use of a Big 4 audit firm and a larger audit committee as the primary governance mechanisms associated with higher accruals quality. For innate accruals quality, we find that higher quality is associated with an independent board of directors, a larger, more independent and more active audit committee, and use of a Big 4 audit firm. Our findings suggest a stronger relation between sound governance mechanisms and innate accruals quality than discretionary accruals quality. Copyright (c) The Authors. Journal compilation (c) 2009 AFAANZ.

The paper has benefited from the helpful comments of those present at these events. We also thank two anonymous reviewers for their suggestions.

This study tests whether the adoption of Australian best practice corporate governance recommendations is associated with financial performance measured by return on assets (ROA) and Tobin's Q. Results suggest that recommended corporate governance structures relating to the adoption of board sub‐committees are sound policy recommendations that enhance performance using the accounting measure ROA and the market‐based measure Tobin's Q. In contrast, the emphasis on board independence guidelines, specifically having outside independent directors, has a negative impact on ROA and Tobin's Q. However, there are conflicting significant results between the accounting and market measures for having a dual CEO/chairperson and board size.

Forward-looking Information, Earnings forecasts, Corporate governance, Voluntary disclosure, Quality, M40, M41,

The analysis of policy change has produced a number of contrasting theoretical approaches, each offering a lens through which to view policy phenomena. This article suggests that the existing menu of approaches for understanding change can be usefully complemented by an understanding of the role played by value conflict. Using institutionalist analysis, I argue that the need to make value-choices in a nondisruptive way shapes large areas of government activity, particularly in Westminster systems, and explains many observed patterns of stability and change. Copyright 2006 by The Policy Studies Organization.

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