Consider the portfolio problem of choosing the mix between stocks and bonds under a downside risk constraint. Typically stock returns exhibit fatter tails than bonds corresponding to their greater downside risk. Downside risk criteria like the safety first criterion therefore often select corner...

The aim of this paper is to analyze the sensitivity of Value at Risk (VaR) with respect to portfolio allocation. We derive analytical expressions for the first and second derivatives of the Value at Risk, and explain how they can be used to simplify statistical inference and to perform a local...

This paper publishes results on the convergence for hedging strategies in the setting of incomplete financial markets.

This paper delevops a tools to analyse the ordering of concordance of random vectors.

This papfer deals with distributional free inference to test for positive quadrant dependence, i.e. for the probability that two variables are simultaneously small (or large) being at least as great as it would be were they dependent.

Unbestritten hat sich die Prozessorientierung spätestens seit den 1990er Jahren als ein zentrales Paradigmader Organisationsgestaltung etabliert. Seitdem haben alle Teilaufgaben des Prozessmanagementseine Reifung durchlaufen. Prozessmanagement-Entscheidungen hingegen mangelt es an...

Während Multiple-Sourcing-Strategien zur Steuerung von Ausfallrisikenin der Industrie bereits gängige Praxis sind, spielen sie bei Finanzdienstleistern auch beizeitkritischen Transaktionen bisher keine Rolle. Grund hierfür sind die hohen Kosten für dietechnische Integration von...

Risk/return management has not only evolved as one of the key success factors for enterprisesespecially in the financial services industry, but is in the times of the economic crisis initiated by thefinancial markets crucial for the survival of a company. It demands powerful and at the same...

Risk/return management has not only evolved as one of the key success factors for enterprisesespecially in the financial services industry, but is in the times of the financial crisis crucial for thesurvival of a company. It demands powerful and at the same time flexible computational...