We find evidence consistent with the notion that the broad non-exclusionary disclosure requirement of Reg-FD inhibits the adoption of new disclosure technologies. Our analyses exploit unanticipated SEC guidance (“Reg-SocMedia”) that outlined how social media channels could be used in...

Financial markets face the constant threat of cyber attacks. We develop a principal-agent model of cyber-attacking with fee-paying clients who delegate security decisions to financial platforms. We derive testable implications about clients' vulnerability to cyber attacks and about the fees...