Recent literature in Industrial Organization has shown that the threat of entry limits the price setting power of dominant firms and stimulates the incumbents to increase innovations ---both leading to welfare improvements. On the other hand dominant firms as incumbents strive to build up entry...

On last yearÌs conference in Barcelona the authors presented an innovative expectation formation hypothesis. The assumption of fully rational agents is rejected and replaced by a bounded rationality approach that is modelled by means of a fuzzy rule-base. These rules as well as their components...