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 …

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 …

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 …

We apply the method of constrained asset share estimation (CASE) to test the mean-variance efficiency (MVE) of the …

has focused on average returns, we analyze the volatility of the returns in emerging equity markets. We characterize the … time-series of volatility in emerging markets and explore the distributional foundations of the variance process. Of … particular interest is evidence of asymmetries in volatility and the evolution of the variance process after periods of capital …

This paper examines the potential influence of changing volatility in stock market prices on the level of stock market … prices. It demonstrates that volatility is only weakly serially correlated, implying that shocks to volatility do not persist …. These shocks can therefore have only a small impact on stockmarket prices, since changes in volatility affect expected …

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

We characterize the joint dynamics of dividends, expected returns, stochastic volatility, and prices. In particular …, with a given dividend process, one of the processes of the expected return, the stock volatility, or the price …-dividend ratio fully determines the other two. For example, together with dividends, the stock volatility process fully determines …

the United States to show how stock volatility has changed over time. It also uses various measures of volatility implied … 2008. This episode was associated with historically high levels of stock market volatility, particularly among financial … sector stocks, but the market did not expect volatility to remain high for long and it did not. This is in sharp contrast to …