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...

The aim of this work is to establish a mathematically precise framework for studying games of capital accumulation under uncertainty. Such games arise as a natural extension from different perspectives that all lead to singular control exercised by the agents, which induces some essential...

This dissertation examines two problems that may arise in matching problems.The first two chapters deal with auctions for multiple units where bidders exhibitexternalities. The third chapter links risk aversion and information to unraveling inlabor markets.Auctions can lead to efficient...

Since Hotelling's (1929) seminal work, economists have tried to understand how product differentiation affects price competition. I study the product location decisions, on a vertical characteristic space, of two sets of horizontal competitors when the inputs supplied by the "upstream" set (the...

The aim of this study is to explore ways to maximise the economic returns of road infrastructure investment. In order to achieve this objective, the study was divided into five parts involving the following: analysing the nature of road infrastructure, determining the relationship between road...

Inhalt- Einführung- Ausnahmen und Grundmodelle- Wohlfahrtswirkungen von Exportsubventionen- Abschließende Überlegungen