Purpose – The main purpose of this study is to examine the impact of corporate carbon emissions and disclosure on corporate value, especially regarding whether disclosure helps to reduce uncertainty in valuation as predicted by carbon emissions using a unique data set on Japanese companies. Design/methodology/approach – Empirical analysis of the relations between corporate carbon emissions using compulsory filing data to Japanese Government covering more than 1,000 firms, corporate carbon management disclosure (CDP disclosure), and the market value of equity. Findings – The authors find that corporate carbon emissions have a negative relation with the market value of equity, the disclosure of carbon management has a positive relation with the market value of equity, and the positive relation between the disclosure of carbon management and the market value of equity is stronger with a larger volume of carbon emissions. Practical implications – The results may be important when considering the inclusion of carbon disclosure as a component of nonfinancial disclosure. In addition, the findings encourage Japanese companies to reduce carbon emissions and to disclose their carbon management activities. Originality/value – The authors provide the first empirical evidence of an interactive effect between the volume of carbon emissions and carbon management disclosure on the market value of equity. And, the results concerning the relation between environmental performance, disclosure, and market value are readily generalizable, especially as all companies emit carbon, either directly or indirectly. In addition, the results are arguably free of problems with sampling bias and endogeneity as the authors employ data obtained from the compulsory filing of carbon emissions information.

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Purpose The framework of the International Integrated Reporting Council (IIRC) is principles-based and does not provide specific key performance indicators (KPIs) for integrated thinking and reporting. Therefore, the purpose of this paper is to propose KPIs for integrated reporting which decipher a firm’s sustainability through empirical analysis. Design/methodology/approach As a proxy of firms’ sustainability, the authors focus on firms that have survived for more than 100 years and that have already achieved sustainability, and analyze these firms to reveal the financial features that distinguish sustainable firms from the other firms. Findings The study found two distinguishing facts: the value added that is distributed to stakeholders other than shareholders is significantly larger, and the stability of profitability and the profitability itself are significantly higher in sustainable firms. Practical implications The study proposes a value-added distribution and the stability of profitability as sustainability KPIs for integrated reporting. Originality/value First, this study provides the first evidence that value added distribution and the stability of profitability distinguish a firm’s sustainability. Second, it provides a new perspective in the search for sustainability KPIs. Third, as the empirical data consist of all listed firms in 136 countries, the results should be robust and general.

Consistent with the mission of the International Association for Accounting Education and Research (IAAER) to "promote global excellence in accounting education and research, and to maximize accounting academics' contribution to the development and maintenance of high-quality, globally recognized standards of accounting practice," this paper provides a commentary and research review by an ad hoc committee of the IAAER on the IASB's Discussion Paper DP/2013/1-A Review of the Conceptual Framework for Financial Reporting. The comments focus on four main areas about which prior academic research can inform standard setters in their consideration of the revised Conceptual Framework: (1) recognition and derecognition, (2) measurement, (3) presentation and disclosure, and (4) other comprehensive income. The views expressed here by the ad hoc committee are those of the authors and do not necessarily reflect a consensus view of the IAAER membership or its Executive Committee. The paper supports the IASB's general objective of developing one set of globally acceptable accounting standards based on a cohesive and complete Conceptual Framework.

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