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Disclosure standards and communication norms: evidence of voluntary sustainability standards as a coordinating device for capital markets

Khrystyna Bochkay¹; Jeffrey Hales²; George Serafeim³

¹ University of Miami · ² The University of Texas at Austin · ³ Harvard University Press

We examine how the development of voluntary sustainability standards has affected the nature of information covered in earnings calls. Using industry-specific dictionaries of sustainability terms contained in the disclosure standards developed by the Sustainability Accounting Standards Board (SASB), we find an increase in coverage of sustainability topics identified as relevant to investors in SASB standards, particularly for companies that had little or no coverage of sustainability issues historically. This trend begins around the time when SASB released a provisional standard for a given company’s industry and continues in the years afterward. We also find a stronger effect of SASB standards on conference call content for companies operating in industries with greater ex ante uncertainty about which sustainability topics are more likely to be financially material. Overall, our paper provides timely evidence as jurisdictions around the world consider whether to support sustainability reporting in their capital markets and, if so, how.

DOI

10.1007/s11142-025-09882-8

Volume

30 (3)

Pages

3021-3064

Language

en

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