In some markets vertically integrated firms sell directly to final customers but also to independent downstream firms with whom they then compete on the downstream market. It is often argued that resellers intensify competition and benefit consumers, in particular when wholesale prices are...

In our model, an agent produces an outcome by a costly effort and then distributes it among heterogeneous users. The agent's payoff is the weighted sum of the users? shares and the coefficient reflecting their heterogeneity. When the agent neglects users? heterogeneity the game leads to an...

The purpose of this article is to analyze how competitive forces may influence the way media firms like TV channels raise revenue. A media firm can either be financed by advertising revenue, by direct payment from the viewers (or the readers, if we consider newspapers), or by both. We show that...

Inflation expectations constitute a subject of particular contemporary interest to central banks, especially those pursuing a monetary policy based on a strategy of direct inflation targeting. Macroeconomic theory indicates that the transmission of monetary policy impulses and their impact on...

Der Autor behandelt in seiner Arbeit die Besonderheiten der Nutzenstiftung durch ökologische Produkte.