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Audit hour reporting is rare internationally. Thus, to what extent shareholders have the power to influence audit effort/hour demand is a question left unanswered. This study aims to use unique South Korean data to determine whether the increasing power of the largest foreign/domestic shareholders and blockholders can influence audit hour demand.

In this study ordinary least squares (OLS) regression analysis is conducted using a sample of Korean listed firms over the 2004–2018 sample period.

The results show: as the percentage equity holding of the largest foreign shareholder and blockholder (>5%) increases, audit hour demand increases. As the shareholding of the largest domestic shareholder increases, audit hour demanded decreases. The association between audit fees/hours is not qualitatively indifferent, after controlling for the audit fee premium effect. Furthermore, the largest foreign shareholder is shown to demand increasingly higher levels of audit hours from Big4 auditors, relative to NonBig4. All results are consistent with audit demand theory.

Whilst previous studies offer audit fee/risk interpretations, this study extends the literature by developing a framework to explain why audit hour demands differ for specific groups. Because audit hour information is rare internationally, the study has important policy implications.

REM models infer abnormal levels of cashflow from operations (AbCFO), selling, general and admin (AbSGA) and production expenses (AbProd) are opportunistic, based on the supposition that engaging in real activities to meet current earnings targets (t) will negatively influence future performance (t+1). However, from a firm productivity perspective, cost reduction (via AbCFO, AbProd and AbSGA) is interpreted as an efficiency enhancing business strategy. This study therefore differentiates between (1) firms with ineffective management that have engaged in AbCFO, AbProd and AbSGA to achieve an optimal resource-cost mix to generate sales (REMF) and (2) firms with effective management that have not (OEF).

Using a sample of Korean listed firms over the 2000–2016 sample period, the study utilizes data envelopment analysis to capture the capability of management to generate sales from resources that are directly under their control. The study then compares the incremental effect that managerial decision making can have on real earnings management (REM) and future firm performance (period t+1 to t+5).

The study makes two important contributions. First, consistent with the efficiency/productivity literature, but contrary to seminal REM studies, empirical results shows that AbCFO, AbProd and AbSGA improve firm performance in period t and t+1 (to t+5), demonstrating “REM” is not opportunistic by default. Second, OEF have higher financial performance compared to REMF, in periods t and t+1.

The study therefore invokes resource-based theory and data envelopment analysis to integrate managerial effectiveness (human capital) into REM modelling. The study therefore extends the basic REM residual model.

Because no international accounting policy exists to mandate human capital (HC) information must be reported on financial reports, the association between workforce HC and firm performance/efficiency is not well-established. South Korea is a rare example with high HC reporting quality, as well as relatively high national productivity. On the other hand, in some developed countries (such as the UK), HC reporting quality and productivity is low. Moreover, there is an increasing propensity to offer employees non-standard contracts. Thus, because of a divergence in HC reporting quality internationally, the South Korean sample can provide valuable insights to countries with weak HC reporting quality about the association between contract quality and firm performance/efficiency.

Using a sample of Korean listed firms (2010–2015), pooled Ordinary Least Squares (OLS) regression analysis is conducted to show whether firms that offer employees higher levels of permanent, relative to temporary contacts, demonstrate higher firm performance/efficiency.

Firms that provide employees with increasing permanent (temporary) contracts experience higher (lower) performance/efficiency.

This research is limited due to sample selection. However, the sample represents the population of all firms that report contract type information in South Korea, a market with highly robust HC information reporting.

Because of data unavailability, a positive association firm-level performance/efficiency and permanent employment can only be made in a handful of countries. The study has policy implications and extends the non-financial reporting literature by addressing HC reporting limitations that exist in the mainstream accounting framework. Based on relative operational efficiency/performance, the study offers practical insights to management about the importance of staff retainment. Moreover, the authors also offer an anthropocentric perspective by inferring how low HC reporting quality can have a negative impact on society in Industry 4.0.

Human capital is considered by many to be a firm's most important asset. However, because no international human capital reporting framework exists, firms can decide to include/exclude human capital details on annual reports. Based on legitimacy theory, firms that disclose high levels of human capital information can be considered congruent with the expectations of society. However, firms can also choose to include human capital information on annual reports for symbolic purposes as an image management strategy.

Using 2018 as a sample period, content analysis is used to evaluate the annual reports of the 25 largest British and 25 largest Korean firms to demonstrate the propensity of British/Korean firms to disclose human capital information as numerical and textual data.

The authors report that South Korean firms provide high levels of human capital information using narrative and numerical data, including value added human capital elements included on integrated reports. British firms on the other hand tend to use primarily positive narrative and limited numerical human capital data to present human capital information.

The results imply South Korean firms provide robust human capital information on annual reports as a legitimacy strategy. On the other hand, the UK's human capital reporting requirement can be considered as a form of image management. The results therefore have important policy implications for legislators, labour unions and firm stakeholders with incentives to enhance human capital information transparency.

Firm management has an incentive to improve credit ratings to enjoy the reputational and financial benefits associated with higher credit ratings. In this study, the authors question whether audit effort in hours can be considered incrementally increasing with credit ratings. Based on legitimacy theory, the authors conjecture that firms with higher credit ratings will demand higher levels of audit effort to signal audit and financial quality compared to firms with higher levels of credit risk.

The authors conduct empirical tests using a sample of Korean-listed firms using a sample period covering 2001–2015.

The results show that firms with higher credit ratings demand higher audit effort in hours compared to client firms with lower credit ratings. The authors interpret that firms with higher ratings (lower risk) demand higher levels of audit effort in hours to reduce information asymmetry and to demonstrate that financial reporting systems are robust based on audit effort signaling audit quality. The authors also interpret that firms with lower credit ratings do not have incentives to signal similar audit quality. The authors also capture the “Big4 auditor expertise” effect by demonstrating that client firms audited by nonBig4 auditors demand additional audit effort with increasing credit rating compared to Big4 clients.

Audit effort is considered a signal of firm risk in the literature. This study’s results show evidence that audit effort is inversely related to firm risk.

The results show that audit hour information is informative and likely managed by firm stakeholders. Internationally, it is not possible to capture the audit demand of clients because listing audit hours on financial statements is not a rule. Given that audit hours can be considered informative, the authors believe that legislators could consider implementing a policy to mandate that audit hours be recorded on international annual reports to enhance transparency.

South Korea is one of few countries to list audit effort on annual reports. Therefore, the link between audit effort and credit ratings is unique in South Korea because it is one of few countries in which market participants likely monitor audit effort.