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...

The most important policy instruments of the Bundesbank and of the coming European Central Bank involve lending to domestic credit institutions. In this monetary setup, banks use short-term central bank credits extensively in order to refinance long-term loans to the public, which makes them...

We model competition between two unregulated mobile phone companies with price-elastic demand and less than full market coverage. We also assume that there is a regulated full-coverage fixed network. In order to induce stronger competition, mobile companies could have an incentive to raise their...

Subjective performance evaluation is modeled as auditing without commitment. A superior, who has to decide whether an where to audit the work done by a subordinate, takes into account all interim information he has obtained in the meantime. This invites workers to cover up and withhold...

It is widespread international practice that cargo liners meet at regular conferences to fix prices and quotas for individual routes. Presently, however, the respective European regulation granting liners an exemption from competition laws is under review. Liners claim that conferences are a...