Several studies have highlighted the role of feedback mechanisms in the success of electronic marketplaces. In this current experiment, we attempt to isolate experimentally the role of reputation and social (dis)approval associated to ratings using a trust game experiment with the opportunity to...

Several online market sites, such as eBay, have implemented reputation management mechanisms in order to improve cooperation. In this article, we aim at investigating the emergence of trust and cooperation in presence of reputation mechanism. In a series of experiments based on the trust game...

For many applications, open source software (OSS) can offer a high-quality alternative to proprietary software (e.g. Linux, Apache, Android,...). But even if OSS is usually free of charge, its installation and use require some skills. Should the government intervene to promote the diffusion of...

This paper aims to study how Facebook use influences individual well-being. We use a survey conducted on a representative sample of 2,000 French Facebook users. Our results show that Facebook interferes with subjective well-being through its effects on friendships and self-esteem. Hence we find...

On mobile phone markets that have reached the maturity stage, customer recommendation becomes a critical focus for operators to attract subscribers from rival operators. Referral propensity is also an indicator of subscriber satisfaction and loyalty. The aim of this paper is to examine the...

Within developed countries, the market penetration of cell phones and the Internet has progressed in tandem and the point of market saturation is nearly to be reached in both markets. In contrast, the African continent has been characterized by a more uneven level of progress, with the...

L’objet de cette étude est d’évaluer les effets de l’Hadopi (Haute Autorité pour la Diffusion des OEuvres et la protection des droits sur Internet) sur les pratiques de consommation d’oeuvres musicales et audiovisuelles. L’Hadopi peut avoir potentiellement trois types d’effets :...

Most developed countries have tried to restrain digital piracy by strengthening laws against copyright infringement. In 2009, France implemented the Hadopi law. Under this law individuals receive a warning the first two times they are detected illegally sharing content through peer to peer (P2P)...

The aim of this paper is to understand the rationale of cooperation within online sharing communities. How can we explain the extent of cooperative interactions between anonymous distant Internet users ? We build a game theoretic framework to study the exchange of services within virtual...

Regulation in telecommunication industry is one of the most sophisticated sectorial regulation. Two main goals are targeted by public authorities. In one hand, the regulator is trying to build a competitive market to replace the historic monopolistic situation. Now the emphasis is less on the...