The nutritive value of pollen blends purchased by humble bee producers from bee-keepers is a key factor of successful mass rearing. We have already devised a method for quality ranking of pollen diets, It was a 1-mo bioassay using queenless micro-colonies of three callow workers (Bombus...

In times of highly volatile commodity markets, governments often try to protect their populations from rapidly-rising food prices, which can be particularly harsh for the poor. A potential solution for food-deficit countries is to hold strategic reserves, which can be called on when...

This paper addresses the role of market remoteness in explaining maize price volatility in Burkina Faso. A model of price formation is introduced to demonstrate formally that transport costs between urban and rural markets exacerbate maize price volatility. Empirical support is provided to the...

Land use change and land management intensification are major drivers of biodiversity loss, especially in agricultural landscapes, that cover a large and increasing share of the world's surface. Incentive-based agrienvironmental policies are designed to influence farmers' land-use decisions in...

In this paper the author discusses the fact that economists define optimal IP rights as a continuum of options in three dimensions: height, breadth and length. At the operational level he discusses the impossibility of multiplying rights indefinitely (due to prohibitive transaction costs), as...

Dans cet article, les auteurs s’appuient sur le modèle du ménage producteur pour analyser la formation et les inégalités du revenu des ménages d’agriculteurs en utilisant un raccordement réalisé par l'Insee entre le Réseau d'information comptable agricole (Rica) et des données...

L'article présente les grandes décisions de politique de concurrence dans le secteur agro-alimentaire en Europe.