Striving for efficient asset allocation investors usually have limited risk bearingability. This results in an upper limit for their portfolio volatility that must not be exceeded.Ensuring compliance with this risk limit at any point in time is essentially complicated bytwo factors: First,...

IT fashions are IT innovations within a hyped phase. They are on the rise and claimed to be “the next big thing”. Investing in IT fashions bears potential for high returns in case the technology becomes institutionalized and first mover advantages can be realized. Contrary, it bears the risk...

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...

Natural catastrophes attract regularly the attention of media and have become a source of public concern. From a financial viewpoint, natural catastrophes represent idiosyncratic risks,diversifiable at the world level. But for reasons analyzed in this pap er reinsurance markets are unable to...

In June 2003 Swiss banks held over CHF 500 billion in mortgages. This important segment accounts for about 63% of all loan portfolios of Swiss banks. Since default insurance is not common in Switzerland, the corresponding risks are a severe threat for the health of the financial system. We...

In this paper we discuss some statistical pitfalls that may occur in modeling cross-dependences with copulas in financial applications. In particular we focus on issues arising in the estimation and the empirical choice of copulas as well as in the design of time-dependent copulas.

This paper argues that observations of non-stationary choice behavior need notnecessarily imply specific properties of the individual’s discount function. As weshow, the observed “anomalies” in intertemporal choice can alternatively be explained by an individual’s perception of the risk...