We evaluate and summarize the large body of audit fee research and use meta-analysis to test the combined effect of the most commonly used independent variables. The perspective provided by the meta-analysis allows us to reconsider the anomalies, mixed results, and gaps in audit fee research. We find that, although many independent variables have consistent results, several show no clear pattern to the results and others only show significant results in certain periods or particular countries. These variables include a loss by the client and leverage, which have become significant in comparatively recent studies; internal auditing and governance, both of which have mixed results; auditor specialization, regarding which there is still some uncertainty; and the audit opinion, which was a significant variable before 1990 but not in more recent studies.

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We examine whether auditor independence is affected by the amount spent on non-audit services. Faster growth in non-audit fees and longer time periods over which non-audit services are purchased might reduce the auditor's independence from that client. Our results do not provide any support for a relationship between non-audit fee growth rates or the length of time of the non-audit fee relationship with the client and discretionary accruals, our measure of earnings management. We do find some evidence that the interaction of the non-audit fee time-period measures and client importance is positive and significantly related to discretionary accruals.

Purpose The purpose of this study is to examine firm-specific characteristics that influence firms’ choice of assurance provider in sustainability assurance. The market for sustainability assurance consists of three types: accounting firms (particularly the Big 4 firms), non-accounting specialist consulting firms (that specialise only in sustainability issues) and non-accounting general consulting firms (that provide general advisory/consulting services). Design/methodology/approach Using a sample selected from the top 100 publicly listed companies in the UK and USA that published a sustainability report in 2010 and 2011, respectively, for which assurance was obtained, a multinomial logistic regression model is applied by regressing the three types of assurance providers on firm size, leverage, profit, liquidity, percentage of strategic shareholding and two control variables – country and year. Findings The results indicate that the choice of sustainability assurance provider is related to firm size, profitability, liquidity and country. Research limitations/implications There may be relevant variables omitted from the empirical analysis; results of this study may not be able to be generalized beyond the sample selected; and the sample size is relatively small. Practical implications Sustainability assurance is a viable assurance service that the accounting profession can provide. Originality/value This study helps in identifying the types of firms that are likely to demand assurance services provided by accounting firms.

This paper examines the role of accounting in an efficient contracting perspective of the firm. The firm is an alternative to the market when the costs of using the market become excessive. When a firm replaces the market, authority substitutes for the price mechanism in determining how decisions are made. This paper examines accounting's role in controlling the firm to ensure resources are put to their highest-value use. Accounting, together with employment contracts, compensation arrangements, debt contracts, internal and external auditors, and the board of directors including its audit and compensation committees comprise a package of mechanisms that have evolved to govern the firm. These institutional devices become the firm's efficient contracting technology. As accounting is part of that contracting technology, the accounting controls and systems that evolve and get implemented are efficient and the accounting methods that are used in calculating the numbers that form part of the firm's contractual arrangements are, likewise, efficient. Copyright (c) AFAANZ, 2003.