We study the reasons and conditions under which mediation is beneficial when a principal needs information from an agent to implement an action. Assuming a strong form of limited commitment, the principal may employ a mediator who gathers information and makes non-binding proposals. We show that...

We study the reasons and conditions under which mediation is beneficial when a principal needs information from an agent to implement an action. Assuming a strong form of limited commitment, the principal may employ a mediator who gathers information and makes nonbinding proposals. We show that...

We present an approach to implement an auction of railway slots. Railway network, train driving characteristics, and safety requirements are described by a simplified, but still complex macroscopic model. In this environment, slots are modelled as combinations of scheduled track segments. The...

We examine the role of expectations for interest rates on mortgage loans. Our empirical results, based on cointegration tests, indicate a violation of the expectations hypothesis on the German loan market. In contrast to the capital market, a failure of the expectations hypothesis on the loan...

We analyse the potential for shifting freight transports to the railways in Western and Central Europe. This potential arises for large and concentrated freight flows over long distances of about 300 km or more. However, we show that there are only few such freight flows in Europe, and that they...