Sustainability Labels and conservation issue: insights from Costa Rican and Malagasy experiences

摘要: During the last decade, labels have been gaining importance with development of consumers' concern about social and environmental issues. Created to better inform consumers on intrinsic characteristics products, are also considered as market based instruments for biodiversity ecosystem services, local development. However, dynamic implementation label in producers' countries, well contextual factors that may affect effects conservation issues, poorly analyzed. This communication aims at analyzing development, an emphasis role intermediary actors strategy promotion actors. Based analysis four cases studies two tropical Costa Rica Madagascar, we argued depend promoting socio-economical political context implementation. We argue agricultural reference situation. identify limits approach foster economic such its incapacity address problems price volatility or asymmetries between producers downstream actors, deal effectively lack appropriate spatial actor' targeting. conclude some considerations take advantage conditions. (Resume d'auteur)