Four essays in insurance [Elektronische Ressource] / vorgelegt von Michael Sonnenholzner

Four Essays in InsuranceInaugural-Dissertationzur Erlangung des akademischen GradesDoktor der Wirtschafts- und Sozialwissenschaften(Dr. rer. pol.)¨ ¨an der Friedrich-Alexander-Universitat Erlangen-Nurnbergvorgelegt vonMichael Sonnenholzner2005Referent: Prof. Achim Wambach, Ph.D.Korreferent: Prof. Dr. Berthold U. WiggerPromotionstermin: 12.07.2005AcknowledgementsThis doctoral dissertation was written at the University of Erlangen-Nu¨rnbergunder the supervision of Professor Achim Wambach Ph.D. from 2002 to 2005. Iwould like to thank Professor Wambach for the encouragement and scientific ad-viceheprovidedduringmystudiesinNuremberg. Workingathischairwasaverypleasant experience due to an excellent and cooperative atmosphere, challengingand inspiring scientific work and a low non-scientific workload. Furthermore, Iwant to thank Professor Dr. Berthold U. Wigger for agreeing to be the secondreviewer of this thesis.I wish to thank my colleagues Andreas R. Engel, Jesko Herre, Kristina Kilian,Alexander Rasch, Ru¨diger Reissaus and Kerstin Windh¨ovel. They supported mywork with helpful comments and were good fellows also in the non-academic partof life. Furthermore, I would like to thank Ursula Bricen˜o La Rosa for handlingmost of the chair’s administrative duties and thus increasing the available timefor research significantly. I am also grateful to our student helpers, especiallySarah Borgloh, Martin G¨otz, Wanda Mimra and Oliver Poletti.