Diese Arbeit besteht aus drei zusammengehörigen Essays, die eine theoretische Grundlage für Untersuchungen multilateraler Verhandlungen und strategischer Investitionen in drei unterschiedlichen Umgebungen liefert. Die vorgestellten Methoden werden angewandt um Entwicklungen in der eurasischen...

In this dissertation I focus on two considerations that influence the product strategy of a firm. The first is consumers’ choice and its influence on a firm’s product offering, and the second is the interaction between durable products and their contingent consumables. First, I study the...

Economics

We offer a new perspective on games of irreversible investment under uncertainty in continuous time. The basis is a particular approach to solve the involved stochastic optimal control problems which allows to establish existence and uniqueness of an oligopolistic open loop equilibrium in a very...

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...

Recent IT research has analyzed how the performance of IT-enabled markets may differ from conventional markets. This literature has made two unexpected empirical findings. First, ITenabled markets for commodity goods exhibit significant price dispersion. Second, well-known retailers in these...

We present a methodology allowing to introduce manufacturers and retailers vertical contracting in their pricing strategies on a differentiated product market. We consider in particular two types of non linear pricing relationships, one where resale price maintenance is used with two part...

We estimate the impact of cartel organizational features, as well as macroeconomic fluctuations and industry structure, on cartel duration using a dataset of contemporary international cartels. We estimate a proportional hazards model with competing risks, distinguishing factors which increase...

This dissertation contains three chapters. It analyzes a market where firms can choose whether or not to publicly post their prices. Price posting rewards a firm by reducing search costs for customers and thus attracting more demand, at the risk of triggering more direct price competition.In the...