This article studies discrimination in a model in which promotions are used as signals of worker ability. The model can account for statistical and taste-based discrimination. In the short run, a positive discrimination policy is beneficial for workers in the middle of the ability distribution,...

The parameter loss given default (LGD) of loans plays a crucial role for risk-based decision making of banks including risk-adjusted pricing. Depending on the quality of the estimation of LGDs, banks can gain significant competitive advantage. For bank loans, the estimation is usually based on...

This study examines the lead-lag-relationship between European equity and CDSmarkets in the context of the financial crisis. Previous research identified the stock market tolead the CDS market in an ordinary economic environment. Against the background of ourstudy this lead-lag-relationship...

CAT bonds are of significant importance in the field of alternative risk transfer. Since themarket of CAT bonds is not complete, the application of an appropriate pricing model is of high relevance.We apply different premium calculation models in order to compare them with regard to...

The estimation of expected security returns is one of the major tasks for the practical implementationof the Markowitz portfolio optimization. Against this background, in 1992 Black and Littermandeveloped an approach based on (theoretically established) expected equilibrium returns whichaccounts...

Investors need performance measures particularly as a means for funds selection inthe process of ex-ante portfolio optimization. Unfortunately, there are various performancemeasures recommended for different decision situations. Since an investor may be uncertainwhich kind of decision problem is...

The requirement of existing utility with positive first derivative only makes it pos-sible to derive a restricted two-fund separation theorem for portfolio selection problems withHARA utility replacing the original separation theorem of Cass and Stiglitz (1970). We useour findings for a brief...

We consider investors with mean-variance-skewness preferences who aim at select-ing one out of F different funds and combining it optimally with the riskless asset and directstock holdings. Direct stock holdings are either exogenously or endogenously determined. Inour theoretical section, we...

Immer wieder kann man beobachten, dass Menschen gleichzeitig Versicherungsverträge ab-schließen und an Lotterien teilnehmen. Gemein haben Versicherungsverträge und Lotterien,dass man aus diesen Transaktionen als Versicherungsnehmer bzw. Lotterieteilnehmer im Mit-tel, genauer: im...

Gegenstand der deskriptiven Entscheidungstheorie ist die Erklärung realen menschlichenEntscheidungsverhaltens. Spätestens seit den Arbeiten von Allais (1953) war dabei bekannt,dass das auf die Maximierung des erwarteten Nutzens von Entscheidern abstellende Bernoul-li-Prinzip wohl als Postulat...