Measuring CSR Disclosure when Assessing Stock Market Effects

ABSTRACT A growing number of studies are using a dichotomous variable indicating the presence standalone CSR report to capture impacts disclosure. Our concern is that, without considering differences in information provided, such an approach could lead incorrect inferences regarding those impacts. We extend prior research by examining whether, similar environmental disclosure, mere also mitigates negative market reactions at times regulatory cost exposure. focus on 2011 Fukushima Daiichi disaster and sample international utilities with nuclear power generation. Controlling for other factors related social exposures, we find only disclosures appear reduce effects. argue exploring researchers need carefully consider, beyond just report, extent being provided.