This paper looks at the effects of different forms of wholesale and retail regulation on retail competition in fixed network telephony markets. We explicitly model two asymmetries between the incumbent operator and the entrant: (i) While the incumbent has zero marginal costs, the entrant has the...

In the beginning of fixed network liberalisation in Europe in the late 1990s, the main concern of regulators was to lower calls prices. This was done by introducing wholesale regulation and promoting service based competition. Some years later, the concern of some regulators turned from too high...

This paper analyzes the incentives of a monopolistic matchmaker to generate user-specific information in order to increase match-quality and profits. By merging two-sided-markets with two-sided-matching we derive a micro-foundation of cross-side externalities dependent on the number of potential...