In financial groups enterprise risk management is becoming increasingly importantin controlling and managing the different independent legal entities in thegroup. The aim of this paper is to assess and relate risk concentration and joint defaultprobabilities of the group’s legal entities in...

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.

Der Beitrag enthält eine anreiztheoretische Analyse der Versicherungssysteme, die zur Entschädigung von Kosten und Verlusten aus Tierseuchenausbrüchen in den EU-Mitgliedsländern eingerichtet sind. Es wird gezeigt, dass Kompensationszahlungen zur Erzielung effizienter...

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 this paper, we characterize explicitly the first derivative of the Value at Risk and the Expected Shortfall with respect to portfolio allocation when netting between positions exists. As a particular case, we examine a simple Gaussian example in order to illustrate the impact of netting...

We analyze the role played by the boundary value for the sensitivity of the creditworthiness predictions in methodologies based on Merton [1974]. We run Monte-Carlo simulations with two various samples of firms - American, European - in order to build confidence intervals for the estimator of...

Longevity risk has become a major challenge for governments, individuals, andannuity providers in most countries, and especially its aggregate form, i.e. therisk of unsystematic changes to general mortality patterns, bears a large potentialfor accumulative losses for insurers. As obvious risk...

It is widely recognized that "market failure" prevents efficient risksharing in natural disaster insurance. As a consequence, many countriesadopted institutional frameworks presenting public sector participation,often praised as public-private partnerships. We define risk selection asa situation...

Participating life insurance contracts typically contain various types of implicit options. These implicit options can be very valuable and can thus represent a sig-nificant risk to the insurance companies issuing these contracts in case of in-sufficient risk management. Options can get...

Die aktuellen EU-Solvabilitätsvorschriften sind seit ihrer Einführung in den Jahren1973 (Nichtlebensversicherungen) und 1979 (Lebensversicherungsunternehmen)Gegenstand massiver Kritik.1 Ein zentraler Kritikpunkt resultiert aus derTatsache, dass sich die EU-Solvabilitätsregeln lediglich am...