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 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...

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 analysis identifies a distinct immediate announcement period negative relation between earnings announcement surprises and aggregate market returns. Such a relation implies that market participants use earnings information in forming expectations about expected aggregate discount rates and,...

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...