This study assesses the impact of exchange rate variability on the riskiness of U.S. multinational firms by examining the relation between exchange rate variability and stock return volatility and by decomposing this relation into components of systematic and diversifiable risk. Focusing on two...

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...

Consistent with previous research, the authors fail to find a significant correlation between the abnormal returns of their sample firms with international activities and changes in the dollar. They investigate the possibility that this failure is due to mispricing. Lagged changes in the dollar...