As in the case with perfect foresight, under conditions of uncertainty investors respond to changes in the assets' relative returns. An increase in the expected return of one asset here typically (if both assets are not perfectly correlated) induces a shift, but not a plunge toward that asset....

Bekanntlich sind auf der Welt nur zwei Dinge sicher: der Tod und die Steuern. Allerdings scheint Benjamin Franklins Bonmot nicht für alle zu gelten. Multinationale Grosskonzerne entwickeln immer ausgeklügeltere Methoden, um ihre Gewinne am Fiskus vorbeizuschleusen, Steuerparadiese unterbieten...

In this paper, we define a new class of richness measures. In contrast to the often used headcount, these new measures are sensitive to changes in rich persons' income and therefore allow for a more sophisticated analysis of richness. We demonstrate the application of these new measures to...