Audit Reporting of Big 4 Versus Non-Big 4 Auditors: The Case of Ex-Andersen Clients

This paper examines audit reporting of Big 4 auditors versus non-Big 4 auditors for ex-Andersen clients and other clients. It suggests that ex-Andersen clients are more risky than other clients and are able to exert more influence than other clients on non-Big 4 auditors because they are larger in size than other non-Big 4 auditees. In addition, Big 4 auditors are more risk-averse and able to withstand clients' pressure than non-Big 4 auditors. The results show that Big 4 auditors are more likely than non-Big 4 auditors to issue going-concern opinions to ex-Andersen clients or restrict the level of discretionary accruals of those clients compared with other clients. Further, ex-Andersen clients of Big 4 auditors would have had a lower likelihood of receiving going-concern opinions or higher levels of discretionary accruals had reporting practices for other clients been applied. Ex-Andersen clients of non-Big 4 auditors would have had a higher likelihood of going-concern opinions or lower levels of discretionary accruals. Hence, the suggestion to reduce the Big 4 concentration in the audit market by allowing non-Big 4 firms a larger market share should be viewed prudently. Overall, these results are consistent with the suggestion that litigation risk and client pressure are important factors in audit reporting.     

Auditor choice and accruals patterns of cross-listed firms

We examine the association between auditor choice and the accruals patterns of Chinese listed firms that cross-list in Hong Kong. Our evidence suggests that the clients of Big 4 auditors report lower unsigned discretionary accruals relative to the clients of non-Big 4 auditors. Further, we find that cross-listed firms with non-Big 4 auditors are more likely to understate their earnings and experience larger reversals of accruals in the future than cross-listed firms with Big 4 auditors. These findings suggest that Big 4 auditors play a meaningful role in improving earnings quality for cross-listed firms, which helps to explain why cross-listed firms have higher earnings quality than their domestic counterparts, as documented in the previous literature.     

Independent and joint effects of audit partner tenure and non-audit fees on audit quality

We examine the individual and joint effects of auditors’ non-audit services (NAS)/abnormal NAS fees and length of audit partner tenure on audit quality. Our results raise questions about the ‘one size fits all’ approach imposed by the current audit partner rotation requirement in Australia as a result of (1) a learning differentiation that we observe between Big 4 and non-Big 4 auditors and (2) higher discretionary accruals associated with non-Big 4 auditors. We find abnormal NAS fees to have a positive association with both absolute and positive (income-increasing) values of discretionary accruals for firms with short audit partner tenure. NAS/abnormal NAS fees are also negatively associated with the issuance of going concern opinions to financially distressed firms when partner tenure is short. In terms of policy implications, regulators are able to gauge the efficacy of the CLERP 9 reforms which currently impose a five year mandatory audit partner rotation requirement.     

The effect of mandatory auditor assignment and non-audit service on audit fees: Evidence from Korea

In Korea, regulators could assign auditors to firms. We investigate the relationship among audit fees, mandatory auditor assignment, and the joint provision of non-audit and auditor services in Korea. We find that assigned auditors charge significantly higher audit fees than freely selected auditors. We also find that the joint provision of non-audit and audit services does intensify the relation between auditor assignment and audit fees. Combined with the results of other studies that have shown that firms audited by assigned auditors report smaller amounts of discretionary accruals than firms audited by freely selected auditors, our results suggest the possibility that mandatory auditor assignment may improve auditor independence.     

Effects of audit committee chair characteristics on auditor choice,audit fee and audit quality

We investigate whether the characteristics of audit committee (AC) chairs are associated with decisions about auditor choice, audit fees and audit quality. Using hand-collected Australian data, firms with AC chairs who have longer tenure and multiple AC memberships across several boards are found to be more likely to choose Big 4 and/or industry specialist auditors, pay higher audit fees and have lower discretionary accruals. Those AC chairs with higher business qualifications are more likely to hire a Big 4 auditor, pay higher audit fees and have lower discretionary accruals, while AC chairs with professional qualifications are more likely to hire a Big 4 and/or industry specialist auditor. In contrast, firms with AC chairs who are executive directors are less likely to hire a Big 4 auditor and have higher discretionary accruals. Our findings contribute to the literature by documenting that various characteristics of AC chairs are important for enhancement of auditor selection and audit quality.     

Does auditor designation by the regulatory authority improve audit quality? Evidence from Korea

In Korea, the regulatory authority designates external auditors for firms that are deemed to have strong incentives and/or great potential for opportunistic earnings management, and mandates these firms to replace their incumbent auditors with new designated auditors and to retain them for a certain period, typically one to three years. We call this regulatory regime ‘auditor designation’. This paper investigates whether the auditor designation rule in Korea is effective in deterring managers from making income-increasing earnings management. Consistent with our hypothesis, we find that the level of discretionary accruals is significantly lower for firms with designated auditors than firms with a free selection of auditors. We also find that firms with mandatory auditor changes (i.e., auditor designation) report significantly lower discretionary accruals compared to firms with voluntary auditor changes. The above findings are robust to a battery of robustness checks. Overall, our results are consistent with the notion that the auditor designation enhances audit quality and thus the credibility of financial reporting.     

会计师事务所人力资本特征与审计质量——来自中国资本市场的经验证据

人力资本在会计师事务所中具有十分重要的意义。本文利用2009年我国会计师事务所及其非金融类上市公司客户的数据,以操控性应计额度量审计质量,检验会计师事务所中注册会计师所占比重以及注册会计师的学历、年龄、参加行业领军人才培训情况等人力资本特征对审计质量的影响,结果发现,在我国本土事务所中,注册会计师的年龄以及入选行业领军人才培训计划的人数与正向的操控性应计额之间存在显著的负向关系,这表明,会计师事务所中注册会计师的经验丰富程度和对培训的重视程度对于抑制客户的正向盈余管理行为、提高审计质量具有积极作用。文章没有发现会计师事务所中注册会计师的比重以及注册会计师中高学历者所占比重与审计质量之间存在显著关系的证据。     

Does audit quality matter more for firms with high investment opportunities?

This paper examines the association of firms with high investment opportunities with high quality audits (proxied by Big 5 auditors) and whether that association results in a lower likelihood of earnings management. Firms with high investment opportunities may demand high quality audits for curbing earnings management. This is because they have more flexibility in the provision of discretionary accruals that arises from the attendant operating uncertainty which creates particular monitoring problems. Big 5 auditors will provide high quality audits that will constrain earnings management for firms with high investment opportunities because the risk of losing (and hence the likelihood of maintaining) auditor independence is higher. Results show the following. First, firms with high investment opportunities are more likely to hire Big 5 auditors than firms with low investment opportunities. Second, firms with high investment opportunities are more likely to have more discretionary accruals but this relationship is weaker when they have Big 5 auditors. These results are robust to various sensitivity tests.     

Determinants and consequences of voluntary switches to Chinese auditors in Hong Kong

Hong Kong market regulators have permitted 12 large Chinese accounting firms to audit the financial statements of Chinese firms that cross list in Hong Kong (i.e., H-share firms) since 2010. This paper examines the characteristics of H-share firms that voluntarily replaced their Hong Kong (HK) auditors with Chinese auditors, and the market reaction to auditor switches following this policy. We find that 38 out of 147 H-share firms voluntarily switched to Chinese auditors during 2011–2013. Switching firms are larger in size and are less likely to use Big4; they also have less need for external financing, a longer cross listing history, and a lower percentage of foreign revenue. We also find that investors negatively react to the auditor switches from HK non-Big4 to China non-Big4, but do not react to the auditor switches from HK Big4 to China Big4. This suggests that investors perceived lower audit quality for China non-Big4.     

Auditor Market Share,Product Differentiation and Audit Fees

This study examines the effects of auditor market share and product differentiation on audit fees. Previous studies have attributed the price premium charged by the Big Eight (the Big Six in the present study) to Big Eight product differentiation. However, such a price premium could be partly due to monopoly pricing. In the present study, the Hong Kong audit market provides a unique setting in which a non-Big Six local auditor has a market share comparable to those of the third and fourth largest Big Six firms. This makes it feasible to control for the effects of market share via matching. Also, the wide disparity among the Big Six firms ‘market shares in Hong Kong makes it feasible to test for the effects of market power on audit fees. The results show that, consistent with prior studies, the Big Six audit firms charge higher audit fees than non-Big Six firms in the small auditee, but not the big auditee, market. This suggests that similar economic forces to those other audit markets are also at work in Hong Kong. Despite the Big Six firms’ widely different market shares, there was no price differentiation among them. Yet there was a Big Six price premium over the large local firm with a similar market share to those of two of the Big Six. Together, these results suggest that the Big Six price premium is a result of product differentiation rather than monopoly pricing.     

The impact of the input level of information system audit on the audit quality: Korean evidence

In response to the increasingly sophisticated corporate information system environment in producing accounting data, audit firms are undertaking information system (IS) audit in addition to conventional auditing. This study focuses on examining the impact of input level of IS audit on audit quality. We collected data on IS audit hours, a unique reporting requirement for Korean listed-firms as disclosed in the External Audit Implementation Details beginning in 2014. Simultaneously, we used the amount of discretionary accruals and measure of conservatism, C_Score as the proxies of the audit quality. By empirically examining a sample set that includes 2,370 corporate-year observations from the Korea Composite Stock Price Index (2014–2018), we found that IS audit hours and IS audit personnel had a statistically significant negative correlation when estimating with amount of discretionary accruals using the model of Kothari et al. (2005) and positive correlation with C_Score. Even when the group was divided into Big 4 and non-BIG 4, these results were apparent in firm samples that were audited by Big 4 audit firms, whereas those audited by non-Big 4 firms did not show these results. Taken together, the following conclusion can be derived. Audit quality has improved through conducting IS audit in response to new types of audit risks that have emerged because of the use of information technology in corporations. Significantly, this study analyzes empirically the effect that the effort of IS auditing has on improving audit quality by using a unique reporting requirement for Korean-listed firms. The study confirms that an appropriate level of IS audit input can improve audit quality. In addition, it is meaningful that IS audit practice is following the risk-based approach of the Clarified International Standards on Auditing (ISA).     

The impact of audit quality on real and accrual earnings management around IPOs

We examine the relation between audit quality and the earnings management activities of IPO firms. The impact of high quality auditors on real earnings management has been researched in a number of settings e.g. SEOs. However, to date, there has been no work on the effect of high quality auditors on real activities-based manipulation around IPOs. We examine UK IPOs between 1998 and 2008 and find evidence that high quality auditors constrain the use of real activities manipulation that occurs via the management of discretionary expenses. We also find evidence, consistent with prior research, that high quality auditors constrain the manipulation of discretionary accruals. Crucially, we find IPO firms audited by high quality auditors undertake sales-based manipulation in order to manage earnings upward at the end of the IPO year. The presence of high quality auditors is not, therefore, sufficient to constrain all forms of earnings management.     

The Effect of IPO Risks on Auditors’ Decisions: Auditor Designation Case

This study examines the effect of audit risks in the Korean initial public offering (IPO) market on the designated auditors’ decisions. The Korean External Audit Act requires firms to switch from incumbent to new auditors designated by the Securities and Futures Commission after the firm announces a future IPO. This study shows the effects of audit risks by examining if the quality of reported earnings and audit fees significantly differs between IPO‐eligible and IPO‐ineligible firms. Empirical tests first show that discretionary accruals are significantly lower for IPO‐ineligible firms than for IPO‐eligible firms in both the IPO designation period and the following review period. We interpret this result to mean that designated auditors evaluate the IPO‐ineligible (and eventually failed) firms’ listing possibility as low. Second, audit fees are higher for IPO‐ineligible firms in the auditor designation period. This reflects the fact that designated auditors are exposed to future audit risks associated with firms’ post‐IPO financial market troubles if IPO‐ineligible firms attempt to go public. Our study contributes to IPO‐related research by showing the effects of auditors’ risk evaluation on discretionary accruals and audit fees. This study also contributes to accounting policymaking regarding auditor independence.     

Was audit quality of Laventhol and Horwath poor?

Laventhol and Horwath (L&H), the then seventh largest accounting firm in the US, declared bankruptcy in November 1990. The firm claimed that its bankruptcy was due to the perception of it being a deep pocket rather than inherent deficiencies in its performance. In this study, we examine whether the audit quality of L&H was lower than other auditors. Results do not show that L&H is associated with lower quality audits either in terms of lower likelihood of issuing modified audit opinion, higher levels of discretionary accruals for its clients, or lower predictability of discretionary accruals for future non-discretionary net income for its clients than for clients of other auditors. Results of additional tests also do not suggest that auditors that take up clients of L&H report differently from L&H. This evidence does not support the proposition that L&H’s audit quality was less than audit quality of other audit firms during the period leading up to the bankruptcy.     

The Association between External Monitoring and Earnings Management in the Property-Casualty Insurance Industry

This paper examines the association between external monitoring and earnings management by property-casualty insurers. We extend previous work by Petroni and Beasley (1996) by expanding the set of external monitors to include both auditors and actuaries. We investigate whether certain auditor-actuary pairs are associated with less understatement of the loss reserve account by financially struggling insurers. Our data consist of loss adjustments reported by 465 property-casualty insurers for reserves established in 1993. The results indicate that under-reserving by weak insurers is essentially eliminated when the firm uses auditors and actuaries that are both from Big Six accounting firms. In contrast, non-Big Six actuaries have less impact on under-reserving by weak insurers. Our results suggest that the quality usually associated with Big Six auditors falls when the audit firm relies on third party actuaries to evaluate the loss reserve estimates of struggling insurance clients. We conjecture that Big Six actuaries insist on more conservative loss reserve levels because, compared to actuarial consulting firms, they are more attuned to the liability exposure of the auditor.     

Innate and discretionary accruals quality and corporate governance

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.     

The endogenous relationship between audit-report type and business termination: evidence on private firms in a non-litigious environment

This study provides evidence on the relationship between audit-report type and subsequent business termination for private companies in a non-litigious environment. The results show that an endogenous relationship exists between bankruptcy and audit-report type, and between voluntary liquidation and audit-report type. A non-clean opinion is typically issued when firms face financial difficulties, which in turn become more severe after the receipt of a non-clean audit opinion. We find evidence that, even without a litigation deterrent in Belgium, financial performance has a similar impact on audit-report type as in litigious environments. We find that the self-fulfilling prophecy hypothesis holds for bankruptcy but not for voluntary liquidation. Our study also provides some evidence on audit reporting differences between Big 6 and non-Big 6 auditors in the Belgian audit market. When financial difficulties are obvious, as is the case when a company is about to go bankrupt, both Big 6 and non- Big 6 auditors are as competent and/or independent to assess and report going-concern problems. However, when financial difficulties are less apparent, as is the case for firms that voluntarily decide to liquidate, our results indicate that Big 6 auditors are more likely to issue a non-clean audit opinion than non-Big 6 auditors.     

Do seasoned industry specialists provide higher audit quality? A re-examination

The purpose of this paper is to re-examine the recent findings in Gaver and Utke (2019) (GU) who find that seasoned industry specialist auditors provide higher audit quality. We first illustrate how the magnitude of residuals from the accruals model can vary significantly by industry, thus highlighting the importance of including industry fixed effects when the dependent variable is discretionary accruals. We next replicate GU’s findings. We first attempt to replicate prior literature after including industry fixed effects in the audit quality (discretionary accruals) models. This is an important control, as the relevant benchmark for a firm with an industry specialist auditor is a peer firm in the same industry with a non-specialist auditor. We find that after including industry fixed effects, there is no association between seasoned industry specialist auditors and discretionary accruals. We also find that the association between industry specialization and discretionary accruals is very sensitive to the way in which the researcher calculates specialization. Our findings are informative for shareholders of public companies who vote on auditor ratification.     

Audit fee lowballing: Determinants,recovery, and future audit quality

Prior research on the link between lowballing (LB) of audit fees and audit quality is inconclusive. Using more recent data and an innovative design, we define LB engagements as those where the audit fee discount is at least 30 percent. We consider three research questions to understand the possible link between LB and audit quality. First, we investigate whether the two variables that are often associated with auditor independence in the literature—non-audit fees and client importance—are related to LB. Second, we test whether lowballing auditors recoup initial audit fee discounts in the future period. Lastly, we investigate the relation between recovery of audit fees and future audit quality. We find that non-audit fees in the first year of engagement are negatively related to the propensity to LB. LB is significantly positively related to client importance for client firms switching from a non-Big N to another non-Big N auditor while the relation is insignificant for client firms switching from a Big N to another Big N auditor. The results of non-audit fees and client importance indicate that economic dependence does not motivate audit firms to lowball. Further, lowballing auditors tend to recoup their initial fee discounts in subsequent periods via increases in audit fees. Using multiple measures of audit quality, we do not find a significant relation between recovery of audit fees and future audit quality. Overall, contrary to regulators’ concerns, our results suggest that LB does not impair audit quality.     

Client importance and audit partner independence

We use data from Taiwan where audit partners are required to sign audit reports to examine whether audit partners compromise their independence for economically important clients. Uniquely, we include both listed and unlisted clients in audit partners’ client portfolios and separately study these clients for Big N and non-Big N auditors. We employ multiple proxies for auditor independence, including various abnormal accruals measures, the propensity of audit partners to issue modified audit opinions, and the probability that clients meet or just beat earnings targets. We fail to find evidence that Big N audit partners compromise their independence for economically important clients; however, we find such evidence for non-Big N auditors. Our results are robust to a battery of sensitivity analyses. While our inferences are limited to the Taiwanese capital market, our study may be of interest to market participants and regulators in other well developed capital markets.