A study of predation choices of Macrolophus caliginosus Wagner (Heteroptera: Miridae) late instars and adults, when offered various developmental stages (eggs and nymphs) of the recently established whiteßy Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae), was made based on two preference...

Les auteurs analysent les implications de la régulation des attributs relatifs aux méthodes de production dans le contexte du commerce international et appliquent leur travail aux produits agro-alimentaires. Pour garantir la loyauté des transactions dans un marché de biens de croyance, ils...

Les analyses empiriques consacrées aux asymétries de chocs entre pays d’une union monétaire sont l’objet d’un bilan à l’occasion de l’entrée de la Slovénie dans la zone euro et de l’élargissement de l’Union européenne. Les résultats contrastés peuvent être expliqués...

This paper questions whether the overseas expansion of a country’s retailers fosters overall bilateral exports towards these host markets. To address this question, we consider an empirical trade model, where the foreign sales of multinational retailers reduce the fixed and variable trade...

We compare the performance of two incentive mechanisms in public goods experiments. One mechanism, the Falkinger mechanism, rewards and penalizes agents for deviations from the average contributions to the public good (Falkinger mechanism). The other, the compensation mecha- nism, allows agents...

This presentation gives a perspective on the main findings of the economic literature dealing with pest resistance management and on questions for future research. Resistance to pest damage is embedded in some crop varieties, which thereby have an economic advantage over their conventional...