This study examines the unintended effects of a pre-Reg FD practice that gave a broad group of sophisticated market participants 15-minute earlier access to all corporate press releases than the general public. We find that this priority dissemination practice contributed to 22 percent of the...

We study the economic determinants of the information externality suppliers experience at the time of their customers' quarterly earnings announcements (QEAs). We measure the information externality as suppliers' stock price reaction to their customers' QEAs. We expect information externalities...

This study examines whether firm-level earnings announcements aggregated on a given trading day are a timely, incremental source of macroeconomic information relative to numerous competing sources of regularly-released macroeconomic information. Using an exponential GARCH model for both the...