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...

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...

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...

In der vorliegenden Arbeit wurde die Entwicklung der privaten Pensionsvorsorge anhand von Lebensversicherungen am sterreichischen Markt beleuchtet. Impuls dafür war die Einführung der prämienbegünstigten Zukunftsvorsorge im Jahr 2003. Durch den Erfolg der prämienbegünstigten...

Nach den terroristischen Anschlägen vom 11. September 2001 wurde sowohl in der Versicherungspraxis als auch in der Wissenschaft kontrovers darüber diskutiert, ob der Staat bei solchen als "nicht versicherbar" geltenden Terrorismusrisiken mithaften soll. Als Folge der Ereignisse des 11....

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...

Credit-rationing model similar to Stiglitz and Weiss [1981] is combined with the information externality model of Lang and Nakamura [1993] to examine the properties of mortgage markets characterized by both adverse selection and information externalities. In a credit-rationing model, additional...

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...

This paper analyzes optimal pricing for information goods underincomplete information, when both unlimited-usage (fixed-fee) pricingand usage-based pricing are feasible and administering usage-basedpricing may involve transaction costs. It is shown that offeringfixed-fee pricing in addition to a...

The first chapter “Investment Patterns in Singapore’s Central Provident Fund System” investigates how plan participants in a national defined contribution system invest their pension accumulations. I find that only a small fraction of participants elects to invest in outside investment...