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This paper aims to present a comprehensive analysis of conjugate heat transfer phenomena occurring within the developing region of square ducts under both isothermal and isoflux boundary conditions. The study involves a rigorous numerical investigation, using advanced computational methods to simulate the complex heat exchange interactions between solid structures and surrounding fluid flows. The results of this analysis provide valuable insights into the heat transfer characteristics of such systems and contribute to a deeper understanding of fluid–thermal interactions in duct flows.

The manuscript outlines a detailed numerical methodology, combining computational fluid dynamics and finite element analysis, to accurately model the conjugate heat transfer process. This approach ensures both the thermal behaviour of the solid walls and the fluid flow dynamics are well captured.

The results presented in the manuscript reveal significant variations in heat transfer characteristics for isothermal and isoflux boundary conditions. These findings have implications for optimizing heat exchangers and enhancing thermal performance in various engineering applications.

The insights gained from this study have the potential to influence the design and optimization of heat exchange systems, contributing to advancements in energy efficiency and engineering practices.

The research introduces a novel approach to study conjugate heat transfer in square ducts, particularly focusing on the developing region. This unique perspective offers fresh insights into heat transfer mechanisms that were previously not thoroughly explored.

This paper aims to investigate the effect of auditor switching and lowballing on conditional conservatism, particularly how different types of auditor switching, namely, upward, downward and lateral switching to/from Big 4 and industry specialists, affect earnings quality in the following selected Asian countries: Indonesia, Malaysia, the Philippines, South Korea and Thailand.

Using conditional conservatism as a proxy for earnings quality, this study hypothesises that upward switching from non-Big 4 to Big 4 auditors, or from non-specialist to specialist auditors, would result in high conditional conservatism, while downward switching would lead to low conditional conservatism. The study further tests whether lowballing provides a viable explanation for reduced earnings conservatism in firms that switch from Big 4 to non-Big 4 auditors, or from specialist to non-specialist auditors.

The analysis, on a sample of 28,073 firm-year observations from 2007 to 2016, shows that the decision to downgrade auditors leads to lower conditional conservatism in the year of switching, compared with other firms and the pre-switching year. The evidence further shows that, when firms downgrade their auditors, lowballing contributes to a decrease in conditional conservatism in the first year of audit switching. Further, this research finds that switching to specialist auditors will result in increased conditional conservatism, while switching from specialist auditors to non-specialist auditors will result in reduced conditional conservatism.

The findings of this study are useful to investors who are looking to diversify their investment portfolio in developing markets, as evidence about auditor switching and quality of financial reporting may be an important factor in their investment decisions. Downward auditor switches and lowballing could act as red flags to investors in the sense that these events could signal a decrease in conditional conservatism and, hence, quality of earnings.

This research offers new evidence to support the view that management decisions to switch to lower-quality auditors will force newly appointed auditors to acquiesce to clients’ demands for reporting low-quality earnings.

This paper examines whether financial distress is associated with tax avoidance and whether the COVID-19 pandemic moderates such association.

The sample covers 38,958 firm-year observations from 32 countries during the period 2015–2020. Financial distress is measured using the ZSCORE by Altman (1968), while tax avoidance is based on the book-tax difference.

Financially distressed firms exhibit low tax avoidance pre- and during the pandemic periods. The authors find higher tax avoidance during the pandemic compared to the pre-pandemic period, but the pandemic enhances the negative relationship between financial distress and tax avoidance.

The study offers evidence on how financial distress drives firms to engage in more tax avoidance when firms globally encountered various levels of financial difficulty sparked by the economic challenges of the COVID-19 pandemic.

The findings provide insights to policymakers on the need to monitor and incentivise financially distressed firms, especially during economic challenges due to pandemic.

This study adds to the limited, albeit important, evidence on the joint effect of the COVID-19 pandemic and financial distress on tax avoidance.

This study aims to investigate whether board gender diversity is associated with corporate sustainability performance and whether industry-level product market competition moderates the effect of board gender diversity on corporate sustainability performance.

This study uses international data extracted from global ESG data set from Thomson Reuters (Refinitiv) database. Using data of 23,137 firm-year observations from 37 countries, the authors perform regression analyses to examine the hypotheses.

The findings show that firms with high board gender diversity exhibit high corporate sustainability performance. The authors also find firms in highly competitive industries to have low corporate sustainability performance. In highly competitive industries, the positive relationship between board gender diversity and corporate sustainability performance is weakened. The results are robust to various specification tests such as alternative measures for corporate sustainability performance, board gender diversity, product market competition and also the use of propensity score matching to address endogeneity issue. Overall, the results support the prediction that board diversity and product market competition play a substitutive role in influencing corporate sustainability performance.

This study offers empirical evidence that the appointment of female directors is a useful way to improve a firm’s corporate sustainability performance, hence, providing significant benefits in terms of stakeholders’ values and corporate reputation.

This study provides useful insights to investors and policymakers that intense industry competition might mitigate the role of board governance, particularly board gender diversity, in enhancing corporate sustainability performance.

Using an international data set, where the observations operate in various market and institutional differences, this study is able to extricate the positive impact of board gender diversity and product market competition on corporate sustainability performance. This study corroborates evidence that sustainability strategy and initiatives are reflections of integrated factors, including corporate governance as internal driver and market forces faced by firms as external driver.

This study aims to investigate the association between corporate risk-taking and cash holdings, and whether financial constraints moderate this association.

Regression analyses were applied to 606 firm-year observations from Saudi Arabia from 2011 to 2020.

Firms with higher risk-taking exhibit higher cash holdings, whereas financially constrained firms have lower cash holdings. The positive association between corporate risk-taking and cash holdings is weaker for financially constrained firms than for nonconstrained firms.

For investors, investment decisions that include the cash holding assessment would also consider the firm-level uncertainty surrounding the firms.

This study explores the joint effect of corporate risk-taking and financial constraints on cash holding, and hence considers the strategic adaptations to navigate uncertainty in strategies related to cash holdings in Saudi Arabia.

This study examined the effect of different types of politically connected (PCON) Malaysian firms on analysts' forecast accuracy and dispersion.

The study identified different types of PCON firms according to Wong and Hooy's (2018) classification, which divided political connections into government-linked companies (GLCs), boards of directors, business owners and family members of government leaders. The sample covered the period 2007–2016, for which earnings forecast data were obtained from the Institutional Brokers' Estimate System (IBES) database and financial data were extracted from Thomson Reuters Fundamentals. We deleted any market consensus estimates made by less than three analysts and/or firms with less than three years of analyst forecast information to control for the impact of individual analysts' personal attributes.

The study found that PCON firms were associated with lower analyst forecast accuracy and higher forecast dispersion. The effect was more salient in GLCs than in other PCON firms, either through families, business ties or boards of directors. Further analyses showed that PCON firms—in particular GLCs—were associated with more aggressive reporting of earnings and poorer quality of accruals, hence providing inadequate information for analysts to produce accurate and less dispersed earnings forecasts. The results were robust even after addressing endogeneity issues.

This study found new evidence of the impact of different types of PCON firms in exacerbating information asymmetry, which was not addressed in prior studies.

This study has a significant practical implication for investors that they should be mindful of high information asymmetry in politically connected firms, particularly government-linked companies.

This is the first study to provide evidence of the impact of different types of PCON firms on analysts' earnings forecasts.

This study aims to investigate the presence of the audit partner ethnicity on audit fees within the Indonesian context.

The sample consists of 803 firm-year observations from the Indonesia Stock Exchange during the period of 2014–2018. The study uses fixed-effect regression analysis to examine the relationship between audit partner ethnicity and audit fees.

This study reveals that firms audited by audit partners from the main ethnic group demonstrate lower audit fees, indicating a more extensive audit business network for this particular group of auditors compared to those from minority ethnic groups. Particularly, the study finds that firms audited by audit partners from the three largest ethnicities, namely, Balinese, Javanese and West Sumatranese, are associated with lower audit fees compared to others. These findings further contribute to the existing narrative and literature that highlight the ethnic background of audit partners as a form of social capital that influences lower audit fees.

This study provides valuable practical and academic implications regarding the impact of audit partner ethnicity on audit fees. The findings highlight the importance for audit firms to strive for a balanced representation of ethnic diversity in their auditor characteristics, as it can positively influence both governance and marketing strategies. By recognizing and addressing the significance of ethnic diversity among audit partners, firms can enhance their overall effectiveness and success in the auditing profession.

This study makes a unique contribution by providing empirical data on audit pricing theory in Indonesia, specifically focusing on the role of ethnic diversity as a determinant of audit pricing. Previous research has not extensively explored the connection between auditor ethnicity and audit fees, particularly in relation to the business network as a channel mechanism. The theoretical explanations for the fee differentials have also been limited in prior studies. The current study addresses this gap by offering a theoretical basis that highlights the advantage of the dominant ethnic group in establishing an efficient audit market system. Consequently, these auditors are able to charge lower fees to clients without compromising on the quality of their services. This finding aligns with the existing literature on audit fees and underscores the importance of the main ethnic group in fostering an effective audit market, resulting in lower audit fees compared to mixed audit markets.

Uzbekistan, a former Soviet Union state whose population is 96% Muslim, is aiming to penetrate the global halal market. Since 2016, its government has been committed to establishing a halal economy, purportedly comprising halal product exports and inbound halal tourism services. Given that a conducive halal ecosystem is a critical condition for creating and sustaining a viable halal economy, the current condition of the halal industry in the country must be diagnosed. For this purpose, we developed a diagnostic framework based on the halal principles and the Viable System Model (VSM) to identify the existing players and stakeholders in the halal industry ecosystem in Uzbekistan and their respective roles and functions, as well as the information flows amongst them.

The study utilised the qualitative methodology with the data gathered mainly from in-depth interviews with industry experts and consumers in Uzbekistan.

The findings revealed that the country has considerable potential to develop its halal tourism market due to its beautiful landscape, rich history and cultural heritage, which is supported by a full-fledged development policy. Uzbekistan's industrial sector exhibits substantial readiness to serve the Muslim market; however, the country lacks a specific policy for the development of the halal manufacturing export industry.

Our findings generate emergent themes that are relevant to the operations and future viability of halal industry of a Muslim country in a transitioning economy. These emerging themes further strengthened existing conceptualisation of the Viable System Model in terms of the elements of the environment and the function of policymaking in contributing toward a system's viability. Implications of the findings and suggestions for future research are also provided.

This study aims to understand Bangladeshi young consumers’ perceptions of sustainable apparel. Specifically, through the lens of the theory of reasoned action (TRA), this study investigates the impacts of man–nature orientation (MNO) and social influences on Bangladeshi young consumers’ intention to purchase sustainable apparel.

Empirical survey-based research was conducted, and data were collected from 387 Bangladeshi college students.

The findings of the study show that MNO significantly influences Bangladeshi young consumers’ attitudes toward purchasing sustainable apparel, which, together with social influences, impacts young Bangladeshi consumers’ intention of making efforts to purchase sustainable apparel.

This study incorporates the specific cultural value – MNO with the traditional TRA model to understand young Bangladeshi consumers’ sustainable apparel purchase intention. The results of this study demonstrate the applicability of the TRA framework in understanding young consumers’ sustainable apparel consumer behavior in the context of Bangladesh, which is a developing country with a collectivistic culture. This study provides insights into how apparel brands and retailers should design their sustainability strategies in developing countries such as Bangladesh.