This study examines the determinants of Facebook activity levels with a particular focus on Facebook activity around earnings announcements. Facebook activity is generally higher for firms with higher levels of analyst following, individual ownership, and trading volume, indicating that it is...

This analysis examines the time-series properties of quarterly aggregate earnings. We find that when aggregated, quarterly earnings can be fairly well described as following a simple random walk (RW) process. That is, the best historical time-series predictor for quarterly aggregated earnings is...

This study examined the relation between the volume of earnings disclosures by firms and aggregate stock market trading activity. Although the relation between the trading activity experienced by disclosing firms and announcement volume is negative, consistent with the firm level evidence of...

This study examines the relation between both number and news content of earnings disclosures by firms and aggregate stock market trading activity. Consistent with the Hirshleifer, Lim, and Teoh (2009a) distraction hypothesis, among announcing firms the number of contemporaneous announcers...

Using returns to scale as a conceptual foundation, we explore how R&D-related earnings performance and earnings variability depend upon firm size. We find that the positive association between the level of future earnings and R&D intensity increases with firm size, and that the positive...