We study the effect of introducing a new security, such as a non-redundant derivative, on the volatility of stock … increases the volatility of stock-market returns. …

We investigate the relation between global foreign exchange (FX) volatility risk and the cross-section of excess … FX volatility and thus deliver low returns in times of unexpected high volatility, when low interest rate currencies … provide a hedge by yielding positive returns. Our proxy for global FX volatility risk captures more than 90% of the cross …

component. We show that both the time series and the term structure of conditional volatility in general is downward sloping and … reputation. Another testable implication is that in price series without a policy reversal, implied volatility from option prices … will exceed actual volatility. Over time, and in the absence of a reversal, this wedge progressively disappears. This may …

-root process. Hyperbolic and quasi-hyperbolic discount factors can significantly increase the volatility of aggregate wealth and …

? Can stock return predictability be explained by changes in stock market volatility? How does the mean return per unit risk … predictor of both the mean and volatility of excess stock market returns. We characterize the risk-return tradeoff as the … negatively linked to variation in market volatility, at odds with leading asset pricing models. Since the conditional volatility …