Purpose The purpose of this paper is to systematise the research field of sustainability reporting. The authors contribute to closing this research gap and, on the basis of this systematisation, address the research question of what are the drivers of sustainability reporting. Design/methodology/approach The paper systematically reviews existing studies and analyses drivers of sustainability reporting using a qualitative approach. The authors intend to demonstrate and discuss the wide range of approaches used in literature. Findings The review suggests that firm size, media visibility and ownership structure are the most important drivers of the disclosure of sustainability reports, while corporate governance only seems to have an influence on the existence of audit or sustainability committees. In contrast, other determinants such as profitability, capital structure, firm age or board composition as an indicator of corporate governance do not show a clear tendency. Originality/value The authors systemise the research field related to sustainability reporting to give an overview of the current research landscape that is not influenced by environmental or social reporting and discuss the identified determinants and the related variables. This results in a comprehensive report of what is known and unknown about the questions addressed in the systematic review.

Abstract:Corporate social responsibility (CSR) reporting is becoming increasingly relevant in light of modern corporate governance. There is growing activity among empirical research in one-tier systems that considers the link between board composition and CSR reporting. This study is the first of its kind on the German two-tier system with special regard for the supervisory board. We analyze gender diversity, expertise, the presence of former managers, frequency of meetings, and the size of the supervisory board. Our multiple regressions indicate that gender diversity has a positive impact on CSR disclosure intensity, which is in line with prior studies on one-tier systems. Our findings have implications for both users and public policy and suggest that current European corporate governance regulations could help to increase the decision usefulness of CSR reporting.

Purpose This study aims to focus on the following research question: Which institutional characteristics are associated with sustainability reporting by UK higher education institutions? Design/methodology/approach To answer the aforementioned research question, this study uses logistic regression. Findings The results show that 17 per cent of the UK higher education institutions report on their sustainability (July 2014). In line with legitimacy and stakeholder theory, logistic regressions provide evidence that the larger the size of the institution, the higher the probability of reporting. By contrast, high public funding decreases this probability. Research limitations/implications The findings show characteristics of higher education institutions that support or hamper sustainability reporting. Overall, the findings imply a lack of institutionalisation of sustainability reporting among higher education institutions. Originality/value Although a lot of research has been done on corporate sustainability reporting, only a small number of studies have addressed the issues of sustainability reporting of higher education institutions. This study covers all sustainability reports disclosed among the 160 UK higher education institutions. It is the first study that investigates characteristics of higher education institutions that disclose a sustainability report.

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