This paper investigates whether analysts' optimism affects the stock crash risk. Analysts' optimism can increase stock crash risk either by inducing overvaluation or by providing managers an opportunity to withhold bad news. Using analysts' forecast error as a proxy for analysts' optimism, we...

This paper examines the role of financial statement comparability in shaping trading volume prior to earnings announcements. We find that the degree of delayed trading volume prior to earnings announcements is less pronounced for firms with more comparable financial statements. In addition, the...

We find that financial statement comparability enhances the ability of current period returns to reflect future earnings, as measured by the future earnings response coefficient (FERC). Thus, comparability improves the informativeness of stock prices and allows investors to better anticipate...

In this study, we use geographic proximity as a measure of private information and examine the informational role of social media in stock markets. Using a large sample of individual messages (tweets) collected from Twitter during the period July 2011–March 2012, we find that local Twitter...