1997 but the volatility persistence also increased. That means that there is a greater likelihood of high volatility days …In this paper we investigate the volatility structure of the German stock market index DAX and its constituents. Using … a recently developed test, we find a volatility break in 1997. Interestingly, not only is the volatility higher after …

1997 but the volatility persistence also increased. That means that there is a greater likelihood of high volatility days …In this paper we investigate the volatility structure of the German stock market index DAX and its constituents. Using … a recently developed test, we find a volatility break in 1997. Interestingly, not only is the volatility higher after …

, and the United States. Previous studies find high persistence in the volatility. This paper shows that this finding …This paper revisits the issue of conditional volatility in real GDP growth rates for Canada, Japan, the United Kingdom … conditional heteroskedasticity (GARCH) specifications modeling output growth and its volatility with and without the break in …