Investor disagreement about public information precision can be pervasive and persistent. This paper shows that when investors agree to disagree about an observed public signal's precision, as they disagree more, informational price efficiency increases. By contrast, when investors disagree...

We study how the social transmission of public news influences investors' beliefs and securities markets. Using an extensive dataset to measure investor social networks, we find that earnings announcements from firms in higher-centrality locations generate stronger immediate price and trading...