Die Preise, zu denen Aktienindexoptionen an den internationalen Terminbörsen gehandelt werden, weichen in der Regel systematisch von den Implikationen des von Black, Scholes und Merton entwickelten Standartmodells der Optionsbewertung ab. Zur Erklärung dieses als "Smile-Effekt" bekannten...

We present a new method to measure the intraday relationship between movements of implied volatility smiles and stock returns. It is based on an enhanced smile regression model which captures patterns in the intraday data which have not yet been reported in the literature. Using transaction data...

In the three-factor model of Fama and French (1993), portfolio returns are explained by the factors Small Minus Big (SMB and High Minus Low (HML) which capture returns related to firm capitalization (size) and the book-to-market ratio (B/M). In the standard approach of the model, both the test...

We study the effect of the home bias on international asset pricing by extending the core-satellite approach of active asset allocation to an equilibrium analysis. In this framework, investors combine a common core portfolio with an active investment in their home asset. In equilibrium, the core...