How successful are the SEC’s attempts to regulate dynamic risk in financial markets? Using mutual fund disclosure data from two financial shocks—the Puerto Rican debt crisis and COVID-19—we find evidence that SEC open-ended regulations, like the obligation to disclose changing market...

Scholars have roundly criticized disclosure as a regulatory regime over the past decade for good reason. Disclosures—whether describing the terms of a loan or the risks of investing—purport to inform consumers. But who actually reads disclosures? We argue that mutual fund disclosures are...