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...

Private health insurance premiums in Australia are regulated by the Commonwealth Government. Premium increases often well exceed the national consumer price index, which suggests that consumers are not receiving value for money for health insurance products. The current regulatory framework does...

This dissertation is a collection of three stand-alone research papers. Myresearch since 2002 has focused on the economics of education andorganizational economics. The dissertation covers papers which link thesetwo research areas. The introduction puts the papers in a more...

The past few years have witnessed the increasing ubiquity ofuser-generated content on seller reputation and product condition inInternet based used-good markets. Recent theoretical models of tradingand sorting in used-good markets provide testable predictions to use toexamine the presence of...