Suppose are independent subexponential random variables with partial sums. We show that if the pairwise sums of the ’s are subexponential, then is subexponential and . The result is applied to give conditions under which as , where are constants such that is a.s. convergent. Asymptotic tail...

Traditionally, insurance risks are borne in reinsurance markets. In 1990s, however, after the sequence of huge natural disasters and huge insurance payments, the reinsurance markets reduced its capability to bear risks, especially those related to catastrophic natural disasters....

The study of natural catastrophe models plays an important role in the prevention and mitigation of disasters. After the occurrence of a natural disaster, the reconstruction can be financed with catastrophe bonds (CAT bonds) or reinsurance. This paper examines the calibration of a real...

The paper studies insurance with moral hazard in a system of contingent-claims markets. Insurance buyers are modelled as Cournot monopolists or oligopolists. The other agents condition their expectations on market prices, as in models of rational-expectations equilibrium with asymmetric...

It is widely recognized that ?market failure? prevents efficient risk sharing in natural disaster insurance. As a consequence, many countries adopted institutional frameworks presenting public sector participation, often praised as public-private partnerships. We define risk selection as a...

Die Versicherungswirtschaft wurde in den 90er Jahren besonders hart von Naturkatastrophen getroffen, die eine neue Dimension in Bezug auf Schadenshöhe und Intensität eröffneten ...

Risk transfer between primary insurance and reinsurance companies today takes place against a backdrop of major changes in international insurance and financial markets. One of these changes is the trend for the two markets to converge. This trend manifests itself in a growing number of product...

Der Beitrag beginnt mit einer Darlegung der Entstehungsgründe für die Nutzung von Finanzkontrakten als Instrumente des versicherungswirtschaftlichen Risikomanagements ...

Mit diesem Bericht dokumentiert das Institut für Versicherungswesen (ivwKöln) seine Forschungsaktivitäten des vergangenen Jahres. Wir geben damit gegenüber der Öffentlichkeit und insbesondere den Freunden und Förderern des Instituts Rechenschaft über die geleistete Forschungsarbeit....