Studies by Hirshleifer and Teoh (2003) and Peng and Xiong (2006) model how limits
on investor attention affect reactions to information. In these setups, investors attend to
general information that tends to be salient and widely applicable, while ignoring detailed
information that tends to be costly to process. For example, investors attend to summary
statistics, such as a firm’s total earnings, rather than specific components, such as cash
flows and accruals. As a result, asset prices overreact to general information and under-
react to detailed information.
Several models consider how the sequential release of information to different inves-
tors affects market activity.
Hirshleifer et al. (1994) and Brunnermeier (2005) focus on
implications for ...