We consider an oligopolistic market where firms compete in price and quality and where consumers are heterogeneous in knowledge: some consumers know both the prices and quality of the products offered, some know only the prices and some know neither. We show that two types of signalling...

The literature on cartel stability sidelines antitrust policy, whereas the literature on antitrust policy tends to neglect issues of cartel stability. This paper attempts to connect these two interrelated aspects in the context of an augmented quantity leadership model. The cartel is the...

Purpose of the article: This paper focuses attention on regional price indices (RPI) that reach across regions, respectively Czech regions, and different levels. Methodology/methods: The article mainly analyses the relation between the RPI and the particular form of market structures at the...