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...

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...

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...

This paper investigates the effect of the introduction of exchange-traded funds (ETFs) on the liquidity of individual stocks. Prior analytical studies suggest that uninformed investors strictly prefer trading ETFs to trading individual stocks in order to avoid trading against informed investors....

Over the last two decades, bank credit has evolved from the traditional relationship banking model to an originate-to-distribute model where banks can originate loans, earn their fee, and then sell them off to investors who desire such exposures. We show that the borrowers whose loans are sold...

This paper formulates and estimates a dynamic model of labor supply, occupational sorting, human capital accumulation and discrimination to explain the narrowing gender earnings gap from 1968 to 1993. The paper proves the model is identified and develops a three-step estimation technique....