In this paper, we provide a definition of mobile payments and we analyze the markets that could be targeted by mobile payment service providers, both in developed and in developing countries. Focusing on the case of developed countries, we introduce five cooperation models that have emerged or...

In this paper, we analyze the specific national broadband plans which have been developed by some European governments to foster the deployment of next generation access networks, namely in France, Italy, and Portugal. In particular, we discuss the strategies adopted to achieve wide fibre...

In this paper, we analyze the incentives of an incumbent and an entrant to migrate from an "old" technology to a "new" technology, and discuss how the terms of wholesale access affect this migration. We show that a higher access charge on the legacy network pushes the entrant firm to invest...

In this paper, we propose a model of competition between a private television channel, financed by advertising, and a public channel, financed by advertising and a transfer of public funds. In this framework, we study the impact of an advertising quota imposed on the public channel on the two...

L'industrie musicale est en crise alors que dans le même temps la consommation de musique ne s'est jamais aussi bien portée. Ces difficultés ont conduit à des politiques publiques défensives, concentrées sur la protection de la filière musicale contre le piratage. Pourtant l'impact du...

In telecommunications some operators have deployed their own networks whereas others have not. The latter firms must purchase wholesale products from the former to be able to compete on the final market. We show that, even when network operators compete in prices and offer homogenous products on...

[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....

[fre] The local loop — the access network which connects customers to the core network — remains the last bastion of historical telecommunication operators. Even though competition in the local loop is limited today, some new access technologies may enable new operators to enter the local...

In this paper, we first provide a simple framework for cooperation in product development between competitors. We put forward the trade-off between the benefits obtained through development cost-sharing and the cost of intensified competition due to reduced product differentiation, which implies...

This paper deals with the question of the security of the payments on Internet and proposes a formal framework to study its impact on the development of the electronic commerce. We show, within the framework of a competitive supply of the security of the payments, that a weak development of the...