We estimate economies of scale and scope as well as cost efficiency to explain the structure of the global reinsurance market, where large reinsurers dominate, but both diversified and specialized reinsurers play important roles. The costs and benefits of size and product diversification play...

A central matter of dispute in the internationalization literature is the existence and shape of a systematic relationship between the degree of internationalization and firm performance (I-P relationship). Considering the global insurance industry, we show that the I-P relationship depends on...

This paper demonstrates the existence of adverse selection in the group insurance market with no individual choice. We provide evidence against the “conventional wisdom” that group insurance mitigates adverse selection because of the mixture of high risks and low risks. We show, however,...

Die vorliegende Dissertationsschrift besteht aus vier Kapiteln und adressiert Kernfragen in den Bereichen Versicherungstransaktionen (Teil I und IV) sowie Versicherungsbetrieb und -strategien (Teil II und III). Die aufgeworfenen Forschungsfragen sind sowohl für die akademische Forschung als...