This paper shows that stock volatility increases during recessions and financial crises from 1834-1987. The evidence … stock volatility, I show that volatility increases after major financial crises. Moreover. stock volatility decreases and … can control stock volatility. The evidence supports the observation by Black [1976] that stock volatility increases after …

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 …

uncertainty. The results dictate the role of uncertainty and volatility in structural models and we show they are consistent with …

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 …

This paper analyzes optimal portfolio choice and consumption with stochastic volatility in incomplete markets. Using … for stocks under stochastic volatility varies strongly with the investor's coefficient of relative risk aversion, but only … preference parameters. This paper also shows that stochastic variation in volatility produces an optimal intertemporal hedging …