"The paper documents a new empirical result that a high level of aggregate U.S. idiosyncratic stock return volatility … currencies. For example, idiosyncratic volatility accounts for over 20 percent variations of the subsequent change in the … out-of-sample forecast are statistically significant. We find the similar result--a positive and significant relation …

We investigate the role of jumps in transmitting volatility between foreign exchange markets (Engle, Ito, and Lin, 1990 … different implications for the impact of jumps on exchange rate volatility transmission. Specifically, isolated and successive … jumps have opposite predictions for future volatility. Although the realized volatility literature finds that heat wave …