In this paper we study an entrant's incentives to build a network infrastructure, when there is an initial phase of service-based competition where it leases access to the incumbent's infrastructure. We build a model in which the phase of service-based competition allows the entrant to step into...

This paper considers a model of two interconnected networks with different qualities. There are call externalities in the sense that consumers value calls they send and receive. Networks compete in two part tariffs. We show that call externalities create private incentives for each competitor to...

In a digital economy which is increasingly becoming an information and attention-based economy, search engines are occupying a central role shaped by the symbolic status of Google both in terms of its renown and its dominance of internet traffic. Despite their importance, economic models and...

The sale of ideas (e.g. through licensing) facilitates vertical specialization and the division of labor between research and development. This specialization can improve the overall efficiency of the innovative process. However, these gains depend on the timing of the sale: the buyer of an idea...

This paper investigates the degree of competition in the WAEMU financial industry over the period 2002-2007 using firm-level data (591 year-firm observations). Market structure analysis, the Panzar-Rosse model and conjectural variation are applied to assess the level of competition. The results...

We present a Cournot model that compares the critical threshold of collusion in Duopoly and Oligopoly Markets where the actors are private, mixed or public. We assume that the incentive critical threshold for collusion depends on the interconnection fees. The different threshold values...

The literature in financial history usually considers London as the only centre of the late 19th century's financial globalization, and explains it at least in part by the efficient microstructure (organization) of the London Stock Exchange (LSE). The LSE is characterized as having been a little...