“We analyze more than 15,000 disclosure documents issued by over 2,100 Russell 3000 firms, covering more than 11,000 company-year observations spanning 1998 to 2023.”

[COMMENTARY] What this study finds is that there is wide variability of what is reported and how it is reported.
What Sustainability Disclosures Actually Disclose, Hajin Kim (University of Chicago Law School), July 20, 2026, Harvard Law School Forum on Corporate Governance, USA.