This paper aims to examine the credibility value of sustainability assurance and the type of assurance provider on cost of capital. A large sample of international companies from the period 2007–2014 was used to develop our models of analysis. We find a greater decrease in cost of capital for companies that publish and assure their social and environmental reports. Thus, voluntary sustainability disclosures decrease the cost of capital. However, companies also have the opportunity to reinforce this decrease by providing an (...) assurance statement, so increasing the credibility of corporate social responsibility information. In addition, the decrease in the cost of capital is significantly higher when such assurance is provided by a top-tier accountancy firm instead of by engineering or consultancy firms; this result supports also the reputational capital of accountancy firms. (shrink)

This paper investigates whether relative corporate sustainability as measured by the SAM sustainability ranking and sustainability reporting in terms of Global Reporting Initiative application levels are associated with a higher market valuation. We conduct a value relevance study for the 600 largest European companies with the Feltham and Ohlson valuation model as a reference point. Our results indicate that for the observation period 2001 to 2011, the association between corporate sustainability and market value is positive. The empirical evidence of a (...) positive relationship between GRI reporting and market value is statistically significant in some but not all of the model specifications. We find no evidence of interaction between the value relevance of corporate sustainability and sustainability reporting, nor do we find any positive effect of external assurance on the capital market perception of GRI application levels. Our results support the notion that conducting business in accordance with ethical norms is also a shareholder value-increasing business strategy. However, it is not possible to verify the information given in sustainability reports through external assurance. (shrink)

This study investigates the financial effects of additions to and deletions from the most well-known social stock index: the MSCI KLD 400. Our study makes use of the unique setting that index reconstitution provides and allows us to bypass possible issues of endogeneity that commonly plague empirical studies of the link between corporate social and financial performance. By examining not only short-term returns but also trading activity, earnings per share, and long-term performance of stocks that are involved in these events, (...) we bring forward evidence of a ‘social index effect’ where unethical transgressions are penalized more heavily than responsibility is rewarded. We find that the addition of a stock to the index does not lead to material changes in its market price, whereas deletions are accompanied by negative cumulative abnormal returns. Trading volumes for deleted stocks are significantly increased on the event date, while the operational performances of the respective firms deteriorate after their deletion from the social index. (shrink)

This paper examines the impact on firm value created by investor reaction to same day news of corporate social responsibility and corporate social irresponsibility activities. First, using trading volume, the authors establish that the perceived value of moral capital generated by news involving institutional stakeholders is less clear to investors than that of the news involving technical stakeholders. Subsequently, the authors analyze abnormal returns from 565 unique firm events—each comprising at least one positive and one negative stakeholder news item. Using (...) signaling theory, the authors demonstrate that news of the number of CSR activities involving institutional groups counteracts the effects of same day CSiR news in an inverted U-shaped fashion. In contrast, they find that news of the number of CSR activities involving technical groups mitigates the effects of same day CSiR news in a U-shaped fashion. (shrink)

We use an event study to capture the investor reaction to the first Newsweek Green Rankings in September 2009, a notable, multi-dimensional recent development in the rating of corporate environmental CSR performance. Drawing on stakeholder theory, we develop hypotheses about market investor reaction to the disclosure of new, relevant corporate environmental performance in both the short and longer term, whether market investors’ reaction reflects industry context, and whether firm-level contextual variables representing firm size, and market legitimacy significantly impacts the investor (...) reaction. We find that, for the sample of the largest 500 US firms ranked by Newsweek, investors react positively both to the raw and within-industry rankings of green performance in terms of both short-term and longer-term returns. Moreover, the investor reaction is significantly influenced by contextual variables such as firm size and firm market legitimacy. Our results are compatible with the inference that rating agencies like Newsweek serve a valuable information dissemination function such that investors in better ranked firms anticipate larger future cash flows due to more positive reactions from key stakeholders such as environmentally-conscious customers, employees, NGOs, regulators, and thus reward these firms with stock price increases. Finally, larger, more visible firms benefit more, while firms which have more market legitimacy benefit less. We believe these findings will be of considerable interest to scholars of environmental corporate social responsibility. (shrink)