Eine Kernfrage der seit einigen Jahren intensiv geführten Debatte um Private Equitybeschäftigt sich damit, ob und gegebenenfalls wie Private Equity-Gesellschaften einenwertschöpfenden Einfluss auf Portfoliounternehmen ausüben können. Die vorliegendeUntersuchung leistet einen Beitrag zur...

The concept of a non-extreme-outcome-additive capacity (neo-additive capacity ) is introduced.Neo-additive capacitiesmodel optimistic and pessimistic attitudes towards uncertaintyas observed in many experimental studies. Moreover, neo-additive capacities canbe applied easily in economic...

Many papers in the litterature have adopted the expected utility paradigm to analyze insurancedecisions. Insurance companies manage policies by growing, by adding independent risks.Even if adding risks generally ultimately decreases the probability of insolvency, the impacton the insurer's...

Investors need performance measures particularly as a means for funds selection in the process of exanteportfolio optimization. Unfortunately, there are various performance measures recommended for differentdecision situations. Since an investor may be uncertain which kind of decision problem is...

The ongoing debate concerning credit concentration risk is mainly driven by the requirementson credit risk management due to Pillar 2 of Basel II since risks (e.g. concentration risk) that arenot fully captured by Pillar 1 should be adequately considered in the banks’ risk management....

Es wird dargelegt, dass das im Rahmen des Asset-Liability-Managements häufiggewählte Immunisierungsverfahren des Durationsmatch unter Verwendung der traditionellen Yieldbeta-Methode nur dann sachgerecht eingesetzt werden kann, wenn das betrachtete Unternehmenkeinen sicheren realen und damit...

The most relevant practical impediment to an application of the Markowitz portfolio selectionapproach is the problem of estimating return moments, in particular return expectations. We analyzethe consequences of using return estimates implied by analysts’ dividend forecasts under the...

Several attempts have been made to reduce the impact of estimation errors on the optimalportfolio composition. On the one hand, improved estimators of the necessary momentshave been developed and on the other hand, heuristic methods have been generated to enhancethe portfolio performance, for...

In the literature, implied rates of return are suggested as estimators for future expected oneperiodreturns because of their property not being prone to the discount rate effect. The discount rateeffect describes the problem that changes in expected future one-period returns lead to...