This paper extends the class of stochastic volatility diffusions for asset returns to encompass Poisson jumps of time … as well as stochastic volatility with a pronounced negative relationship between return and volatility innovations. We …

This paper compares several statistical models for monthly stock return volatility. The focus is on U.S. data from 1834 … volatility that are inconsistent with stationary models for conditional heteroskedasticity, We show the importance of … of stock volatility, even over the 1834-1925 period …

) levels of volatility. These results provide a novel perspective on both the equity risk premium and excess volatility puzzles …

mean and volatility of aggregate consumption growth, by a representative agent with a high elasticity of intertemporal … increasing the persistence of volatility fluctuations and their impact on stock prices. This calibration fits the predictive … power of stock prices for future consumption volatility, but implies much greater predictive power of stock prices for …

that, after monetary policy announcements, the conditional volatility rises more for firms with stickier prices than for …

has also possessed excess volatility' in the past century. It finds no evidence of excess volatility in the pre-World War … I German stock market. By contrast, there is some evidence of excess volatility in the post-World War II German stock … volatility of German stock indices before 1914 …