This paper constructs a model for the evolution of a risky security that is consistent with a set of observed call option prices. It explicitly treats the fact that only a discrete data set can be observed in practice. The framework is general and allows for state dependent volatility and jumps....

The forward measure in the discrete time Ho/Lee model is derived and passages to the continuous time limit are carried out under this measure. In particular the continuous time valuation formula for call options on zero coupon bonds is obtained as a limit of its discrete time equivalent as well...

The paper explores whether the co-movement of market returns and equity fundflows can be explained by a common response to macroeconomic news. I findthat variables that predict the real economy as well as the equity premium arerelated to mutual fund flows. Changes in dividend-price ratio explain...

This paper investigates the returns and °ows of German money marketfunds before and during the liquidity crisis of 2007/2008. The main¯ndings of this paper are: in liquid times, money market funds en-hanced their returns by investing in less liquid papers. By doing sothey outperformed other...

This paper investigates whether investor sentiment can explain stock returns on theGerman stock market. Based on a principal component analysis, we construct a senti-ment indicator that condenses information of several well-known sentiment proxies. Weshow that this indicator explains the return...

The paper deals with the evaluation of Collateralized Debt Obligations forinvestment purposes. CDOs are classified in the asset backed environment. Itsspecific risks (market, timing, recovery, agency) are discussed. To understand theportfolio aspect, the concept of the diversity score is...