The mechanisms associated with resistance of codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), to organophosphate insecticides in pome fruit orchards have been shown to depend on the area. Our objectives were to evaluate the susceptibility of Spanish codling moth populations to...

Regular applications of insecticides have been the main management practice against codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae) in Chile. Organophosphates are the most widely used insecticides, and azinphos-methyl is an important element in spray programs. In particular, we...

En Argentine, certaines villes disposant de services techniques importants sont en position de se saisir du mouvement de décentralisation pour intervenir dans le développement local des zones rurales. A partir d'entretiens avec les principaux acteurs de l'agriculture de deux districts du sud...

This paper analyzes the use of storage and trade policies to achieve food price stabilization in a small open developing country. Optimal stabilization policies are identified using a rational expectations storage model with risk-averse consumers and incomplete markets. Without public...

In this paper we endogenize the horizontal structure of illicit drug markets. The key assumption is that the trafficker’s probability of detection depends on his/her market share. The author show that a stricter law enforcement policy encourages traffickers to permit competitors into the...

There is not a clear divide in literature between formal and informal contracts. The classical approach which is based on criteria like court enforcement or written content does not suffice for describing the international contracts under scrutiny in our case study of the Chilean fruit trade....

Due to their high protein content, soybeans are important feedstuffs in the European Union (EU). However, the cultivation of soybeans using genetically modified (GM) varieties in non-EU countries is increasing and the EU authorization of GM products takes longer than in other countries, leading...

Depuis la signature du Traité de Rome, les réformes successives de la PAC ont faiblement affecté l'OCM du secteur porcin. Caractérisée par sa grande souplesse, celle-ci a, semble-t-il, été relativement bien adaptée à l'expansion du secteur porcin européen. Le cadre réglementaire...