The present progress in the information processing technology is having a drastic impact on the telecommunications industry and on many public networks by creating a separation between two components: on the one hand, the network made up of the infrastructures; on the other hand, the command...

In this paper we study the impact of a radical technological innovation on business models. Do firms react by adjusting their business models incrementally, through iterative steps? Or do such innovations lead, instead, to a big bang of new innovative business models that are all adopted and...

In this paper, we use data from a survey of 151 French record companies to test the “long-tail” hypothesis at the level of the firm. More specifically, we test whether, following the “selling less of more” principle coined by Anderson (<CitationRef CitationID="CR2">2006</CitationRef>), record companies that have adapted to...</citationref>

[spa] El mercado del teléfono - En el concepto de los Franceses, el teléfono ya no constituye hoy un lujo sino que tiene propension a convertirse en un bien necesario. La encuesta : « Propósitos de compras de los particulares », effectuada por el INSEE, ofrece una buena ilustración de la...

[eng] The economic literature considers that in the media industry, production is characterized by large fixed costs and economies of scale. This idea is questioned by empirical evidence : it is often the case that the larger the audience for a program or a movie, the higher the production cost....

Developing a simple model of the content and access industries in the digital era, we show that, given the positive consumption externality from entertainment content (music, video) on access networks and playing devices (fixed broadband, 3G mobile, digital players, etc.), both content and...

[eng] The financing of telecommunication infrastructure : interconnection and universal service. In a monopolistic telecommunications industry the cost of access infrastructure is covered by a cross-subsidy from services to equipment. Such a setting being no longer viable when competition is...

We model the relationship between an artist and a record company as a revenue-sharing game that stems from two complementary markets: the recorded-music market and the live-music market. Artists are heterogeneous according to their potential success as well as to the amount that live music...

In this article we study the economic equilibrium of a multiservice network with positive externalities of consumption and vertical differenciation of quality. It is shown that depending on prices various equilibrium patterns emerge and exhibit alternately stable and unstable equilibria which...

Developing a simple model of the content and access industries in the digital era, we show that, given the positive consumption externality from entertainment content (music, video) on access networks and playing devices (fixed broadband, 3G mobile, digital players, etc.), both content and...