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The authors examine the effect of greenhouse gas (ghg) assurance on cost of debt, and the effect of board gender diversity on cost of debt, for an international sample of listed companies.

Utilizing firm-level data and a quantile regression approach, this study examines the effects of greenhouse gas assurance and board diversity on cost of debt by employing an international sample of firms during 2015–2021.

The authors find that in firms with a relatively low cost of debt the external assurance of greenhouse gas emissions and gender diversity could significantly contribute to a reduction of cost of debt. Furthermore, other measures of board diversity that are linked with independent directors and skilled directors seem to contribute to an increase of firms' cost of debt in the lower end of distribution. Drawing from the agency theory, the authors showcase the fact that ghg assurance reduces information asymmetry and therefore agency costs such as borrowing costs and signals to the stakeholders a long-term commitment to excellence.

This study is the first that provides insights on the relationship between ghg assurance, board diversity and cost of debt.

The purpose of this study is to review the literature on corporate governance (CG); environmental, social and governance (ESG) issues and corporate social responsibility (CSR) during the Coronavirus disease 2019 (COVID-19) pandemic and addresses three research questions: What are the characteristics of the literature on CG and COVID-19? What are the themes in CG in the COVID-19 era? and What are key areas of future research on CG and COVID-19?

The authors attempted a systematic literature review of 62 studies published in 2020. The authors used four criteria to identify characteristics of the literature on CG and COVID-19 and three criteria to identify key themes in the literature addressing CG and the pandemic. The authors analyzed answers to the above research questions and proposals from studies reviewed to guide future research.

CG in the context of COVID-19 has been studied mostly in developed countries and within a theoretical framework. As accounting data are insufficient, more research is required in all countries (developed, emerging and other). Further, there are no conclusive results regarding the relevance of ESG and CSR to financial performance. Future research should use additional methodologies and data sources to fully explain the impact of COVID-19 on CG.

Practitioners and policymakers could benefit from the study, as the authors present key challenges to CG for the present and the future.

This study is the first to provide a systematic literature review on CG during the COVID-19 pandemic and presents current trends, challenges and avenues for future research.