This paper analyzes the impact of online customer reviews on purchasing decisions and the influence of online customer or peer reviews compared to other channels of information such as offline press (expert reviews) and trial versions (personal reviews). Using 7,024 answers of an anonymous...

The effect of the Internet and Information and Communication Technologies on the Record Industry In this paper, we analyze how the development of information and communication technologies (ICTs) and of the Internet affects the record industry. We show that the record industry is impacted in...

In this paper, we provide scenarios of evolution for the recorded music industry. These scenarios are based on two dimensions. First, we identify two strategies of revenue extraction in a digital world: either through the sale of content, which requires a direct or indirect protection of music...

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 theory” at the level of the firm. More specifically, we test whether, following the “selling less of more” principle coined by Anderson (2006), record companies that have adapted to digitization...

[fre] Les théories de la demande de raccordement téléphonique. . L'article consiste en une discussion de modèles élaborés dans les années 1970 pour rendre compte de la diffusion du service téléphonique. Ces modèles font jouer un rôle essentiel à l'externalité positive de...

[fre] Les modèles de prévision de la demande téléphonique en France. . L'article vise à donner un bref aperçu des modèles économétriques qui ont été utilisés en France depuis 1964, pour prévoir la demande de raccordement au réseau téléphonique. Trois types de modèles,...

[eng] From the theory of industry structure to the economics of telecommunication networks. . The theoretical notions of efficiency, contestability, and sustainability of an industry structure are recalled. The application of the latter concepts is then discussed. It is argued that the cost...

[fre] L'efficacité accrue des réseaux d'information, indépendants désormais des réseaux physiques de distribution des produits, devrait théoriquement permettre des marchés plus fluides et plus efficaces, caractérisés par des prix moins dispersés. Toutefois, les premières analyses...

The growing efficiency of information networks, now distinct from the physical networks of conventional retail markets, should, theoretically, lead to friction-free efficient markets, with less price dispersion. But empirical evidence point to another direction: more precise segmentation on the...