Modern society is driven by electricity usage. I construct a proxy tracing regional economic intensity using electricity usage provided by utility firms in the United States from 1990 to 2020. After comparing electricity usage growth with common regional consumption measures, I find it a leading...

Prior research has examined how companies exploit Twitter in communicating with investors, and whether Twitter activity predicts the stock market as a whole. We test whether opinions of individuals tweeted just prior to a firm's earnings announcement predict its earnings and announcement...

This study examines the information content of quarterly earnings announcements, measured as the magnitude of stock price revision at earnings announcements relative to price revision at other times. We investigate whether quarterly earnings announcements are informative using a nonparametric...

This paper examines the impact of teamwork on sell-side analysts' performance. Using a hand-collected sample of over 50,000 analyst research reports, we find that analyst teams issue more than 70% of annual earnings forecasts. In contrast, most prior research implicitly assumes that forecasts...

We investigate whether mandatory earnings announcement date forecasts are informative to investors and the informational tradeoffs between mandatory and voluntary forecasts. We find: (i) The percentages of the quarter's earnings news conveyed by mandatory China and voluntary US forecasts are...

We use trade-level data to examine the role of actively managed funds (AMFs) in earnings news dissemination. We find AMFs are drawn to, and participate disproportionately more in, earnings announcements (EAs) that include bundled managerial guidance. When the two pieces of news are directionally...

Bird, Karolyi, and Ruchti (2019) estimate a structural model of earnings management in the setting of meeting-or-beating the analyst consensus forecast. I provide an overview of their methods and findings, and then discuss the assumptions, benefits, and limitations of their approach