Using a simple sign test, we report new empirical evidence, taken from both the US and the German stock markets, showing that trading behavior substantially changed around Black Monday in 1987. It turned out that before Black Monday investors behaved more as in the momentum strategy; and after...

In this paper, we construct a single composite financial stress indicator (FSI) which aims to predict developments in the real economy in the euro area. Our FSI was shown to perform better than the Euro STOXX 50 volatility index for the recent banking crisis and the euro-area sovereign debt...

Since Mandelbrot's seminal work (1963), alpha-stable distributions with infinite variance have been regarded as a more realistic distributional assumption than the normal distribution for some economic variables, especially financial data. After providing a brief survey of theoretical results on...

Logan et al. (1973) analyze the limit probability distribution of the statisticLogan u.a. (1973) untersuchen die Grenzwahrscheinlichkeitsverteilung der Statistik,sn(p) = Σi=1 Xi/(Σi=1 | Χj |^p)^1/p as n → ∞, für den Fall, dass Xi im Anziehungsbereich