into volatility persistence in stock returns. In part two, I show that the introduction of continuous trading on the WSE is … volatility on days after limit hits and positive autocorrelation in stock returns. I do not find significant advantages of this …

volatility on foreign exchange markets. Starting point is the market participant's microeconomic investment decision, which is … trading volume and volatility on foreign exchange markets. We apply various two-country-models with representative market …

mid-1980s, in contrast to the simultaneous volatility decline of most aggregates, including overall hours and employment … the skill premium, it is interesting to check its short-run implications for employment volatility. The numerical results … DSGE models' implications for overall labor market' volatility. …

, which includes secular changes in the economic structure and a substantial reduction of output volatility. We find two … robust structural breaks in volatility at the end of WWII and in the mid-eighties, showing that the GM still holds in the … longer perspective. Furthermore, we show that GM volatility reduction is only linked to expansion features. We also date the …

Diese Dissertation besteht aus vier Aufsätzen, die zur empirischen Literatur der Allokation der Arbeitszeit beitragen …