Die Rolle der Versicherungsmathematik innerhalb der gesamten Wissenschaft und Praxis der Versicherung

Abstract

Der überraschenden ehrenvollen Einladung in den drei skandinavischen Hauptstadten im Verein der Aktuare einen Vortrag zu halten, bin ich zwar gern aber nicht ohne Bedenken gefolgt; weiss ich doch nicht, ob ich in einem solchen Kreise von Sachverstandigen der Wissenschaft und Praxis der Versicherung etwas bieten kann. Aber die so überaus liebenswürdige Schreiben Ihrer Herrn Vorsitzenden geben mil' den Mut hier zu sprechen. Ich will kein speziell versicherungsmathematisches Thema behandeln: rch will vielmehr den Rahmen weiterspannen und iiber die {iRolle der Versicherungsmathematik innerhalb del gesamten Wissenschaft und Praxis der Versicherung sprechen.     

Möglichkeiten und Grenzen der mathematischen Schadenmodellierung

Mathematical claims modelling is a traditional art of actuarial practice. However, changing expectations concerning the complexity and efficiency of mathematical models have lead to numerous developments in the recent years, particularly in the area of multivariate models. This goes hand in hand with questions about what is ?possible“ and what is ?meaningful“. Due to sophisticated improvements of the classical models, the one-dimensional situation is well-tractable today whenever sufficient data material is available. A more difficult task is the modelling of situations where data are sparse or, alternatively, highly complex. Here sometimes theoretical arguments have to be used for justification, as in the area of large claims or extreme values. A more modern approach to multivariate situations is via copulas which allow for a separation of the problem of marginal distributions and the joint dependence structure. However, so far there is little experience with such tools in the insurance world, which makes further scientific research necessary.     

Grund und Grenzen der vorvertraglichen Aufklärungspflicht des Versicherers

Zeitschrift für die gesamte Versicherungswissenschaft - Der Beitrag widmet sich der in Deutschland gängigen Praxis des Versicherungsvertriebs durch Versicherungsagenten. Gefragt wird nach...     

Versicherung von Risiken HIV-infizierter Menschen und Gleichbehandlungsrecht

The article deals with the impact of the German Equal Treatment Law on the insurance of risks related to a HIV positive person. The infection has to be qualified as a disability but differentiations in insurance contracts are usually justifiable. In addition normally there is no unlawful treatment with regard to sexual identity. Even so the insurer has several options to avoid any conflict with HIV positive persons.     

The impact of D&O insurance on excess corporate leverage

The governance effects of directors’ and officers’ liability insurance (D&O insurance), an important tool for risk diversification, are of strong concern in the capital market. Using a sample of Chinese A-share listed firms from 2009 to 2018, we examine the impact of D&O insurance on excess corporate leverage. We find that D&O insurance is negatively associated with excess corporate leverage and that this result is consistent with a series of robustness tests. Further analyses show that D&O insurance impedes excess corporate leverage mainly because of its effect on external monitoring. The effect is more pronounced for firms that are state-owned, have political connections and are located in provinces with low marketization than for other firms.