Suppose a fund manager uses predictors in changing portfolio allocations over time. How does predictability translate into portfolio decisions? To answer this question we derive a new model within the Bayesian framework, where managers are assumed to modulate the systematic risk in part by...

Mit der Etablierung von Wahlbörsen zur Prognose späterer Wahlergebnisse entstand eine Vielzahl von Anwendungsfeldern für virtuelle Informationsbörsen als neues Instrument der Marktforschung. Die besonders betonte prognostische Qualität des Verfahrens und die entgegengebrachte...

In asset pricing, estimation risk refers to investor uncertainty about the parameters of the return or cashflow process. We show that with estimation risk the observable properties of prices and returns can differ significantly from the properties perceived by rational investors. In particular,...