The dissertation highlights different topics of equity trading in limit order books using the example of Deutsche Boerse's electronic trading system XETRA. The first introductory chapter is a straight forward discussion of the profitability of exchange trading for both the exchange operator and...

This thesis contains four essays which are all from the broader field of insurance economics. The chapters can be read independently, although there is a certain connection between the articles. Chapter 2, which deals with moral hazard, and chapter 3, which is on oligopolistic models in the...

Im Fahrzeugbau und im Verkehrswesen hat die praktische Umsetzung von Ubiquitous Computing Technologien einen hohen Grad erreicht. Unter diesem Begriff ist die Ausstattung unterschiedlicher Gegenst?nde mit Prozessoren und Sensoren zu verstehen, welche in der Lage sind, Daten ?ber ihren eigenen...

Obtaining health insurance through an employer pools risk, but may lead to moral hazard, where employees with more coverage seek care valued below cost, and adverse selection, where the unhealthy choose more generous plans, driving up premiums. In the first essay, I model the decision to choose...

Diese Dissertation untersucht die Regulierung von Krankenversicherungsmärkten und dabei insbesondere Risikoausgleichssysteme (wie z.B. den deutschen Risikostrukturausgleich), die dazu dienen, Risikoselektion durch Krankenversicherungen zu reduzieren oder gar zu verhindern. Im 2. Kapitel der...

The average investor reaction is neutral to primary offerings by firms with managerial incentives closely tied to the shareholder value. Investors react negatively (1) when there are insufficient managerial ownership stakes to deter misuse of SEO proceeds and (2) when there are negative signals...

This dissertation includes two essays on adverse selection and moral hazard problems in reinsurance markets. The first essay builds a competitive principal-agent model that considers adverse selection and moral hazard jointly, and characterizes graphically various forms of separating Nash...

Advances in information technology increasingly allow firms to identify expensive, high-cost customers, who are not only individually less profitable for firms but also raise the average marginal cost incurred by firms and thus impose a negative externality on inexpensive customers. Should...

Allokationsverfahren zur Vergabe von Zutrittslizenzen an Marktneulinge differieren hinsichtlich mehrerer Aspekte. Einer davon ist die Veröffentlichung der vom Regulierer im Lizenzvergabeverfahren gesammelten Informationen. Der Autor untersucht den Einfluss der Informationsweitergabe auf die...