Although the traditional sources of financial knowledge in Japan are financial advisors and investment groups, the digital era and artificial intelligence have made other sources of information, such as social media and mass media, more influential. As such, it has become important to examine...

I examine how firm-investor communications on social media affect investors' perceptions of the firm. I focus on a case in which a Twitter user criticizes a discretionary accrual adjustment and management chooses whether and how to respond. I collect data using multiple experiments in which I...

Why do people appear to forgo information by sorting into “echo chambers”? We construct a highly tractable multi-sender, multi-receiver cheap talk game in which players choose with whom to communicate. We show that segregation into small, homogeneous groups can improve everybody’s...