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...

Today, the investment into indices has become a widely used strategy in portfolio management.While Index Funds and ETFs try to represent the performance of a single index, otherportfolio strategies use indices as portfolio components to concentrate on the allocation task.Because an index cannot...

In this paper we develop the rst estimator of the covariance matrix that relies solely onforward-looking information. This estimator only uses price information from a cross-sectionof plain-vanilla options. In an out-of-sample study for US blue-chip stocks we show that aminimum-variance strategy...

This paper studies the flow-performance relationship of three di®erent investorgroups in mutual funds: Households, financial corporations, and insurance compa-nies and pension funds, establishing the following findings: Financial corporationshave a strong tendency to chase past performance and...

We present evidence of the impact of buy-side analysts on the behavior and performanceof fund managers. Using data provided by a large global asset manager,we relate buy-side analysts’ recommendations to fund transactions on a daily basis.Our results show that buy-side analysts have a...

This paper analyzes the current use of incentive-fee-concepts for mutual funds inGermany. Following an empirical analysis about the relevance of these methods,the different methods of calculation and the influence of different parameters aredescribed. Further on it explains the impacts of...

In this paper the dynamic portfolio selection problem is studied for the first time in a dual utility theory framework. The Wang transform is used as distortion function and well diversified optimal portfolios result both with and without short sales allowed.