On the basis of an in depth analysis of the flow of revenues within the music industry and of the emerging practices, we attempt to understand the logic at play in the current evolution of the structure of the industry. We claim that the record companies used to play a role that was useful for...

This article uses recent survey data from the Kayes area (Western Mali) to estimate the effect of migration and remittances on the technical efficiency of agricultural households. A theoretical model is developed, which shows that the more insurance is provided by the migrants, the less...

L’agriculture est aujourd’hui confrontée à des enjeux environnementaux majeurs. Une nouvelle forme de comptabilité, celle environnementale, semble permettre d’obtenir l’information nécessaire pour la gestion de l’environnement. Cependant, il n’existe pas encore de méthodologies...

The worldwide commercialization of cognac is managed by a handful of big brands owned by multinational corporations operating in the sectors of luxury goods, wine and liquors. These conglomerates purchase their wine and their liquors from approximately 5,000 vine growers established in the...

Traditionally, the French agricultural sector is characterised by the force of the social and supportive economy. The emergence of mergers or «unions» of cooperatives seems to be conducive to the adoption of the private sector's management practices to the detriment of decision-making...

L'objet de ce papier est l'étude des déterminants de l'offre de riz des ménages agricoles malgaches à partir des enquêtes des Observatoires Ruraux de 1996. Plusieurs démarches sont envisagées. Tout d'abord, l'étude des déterminants du rendement du riz au niveau des parcelles permet de...

For utility maximization problems under proportional transaction costs, it has been observed that the original market with transaction costs can sometimes be replaced by a frictionless {\em shadow market} that yields the same optimal strategy and utility. However, the question of whether or not...