explore the extent to which such a model can account for the short-run volatility of velocity, the negative correlation of …

We propose a novel method to estimate dynamic equilibrium models with stochastic volatility. First, we characterize the … exploits the profusion of shocks in stochastic volatility models, is versatile and computationally tractable even in large … methods to estimate a business cycle model of the U.S. economy with both stochastic volatility and parameter drifting in …

structure to commodity futures prices, and develop new algorithms for estimation of such models using unbalanced data sets in …

stock price reaction to news, and hence lowering the stock return volatility. Thus, in addition to uncertainty about … fundamentals, uncertainty about CEO quality is also a source of stock return volatility, which decreases over a CEO's tenure as the …'s prospects. Overall, uncertainty about management quality appears to be an important source of stock return volatility …

What drives countercyclical volatility? A large literature has documented that many economic variables are more … volatility or responsiveness is getting bigger, and these two explanations have very different policy implications. However, we … volatility shocks cannot …