[eng] By the ceecs accession to the EU, the eu will enlarge its custom union. This implies both the adoption by the new incumbents of the Common external tariffs and the negotiation at the wro of a common list of commitments. The aim of this paper is to estimate, by the use of the Armington...

[eng] In order to replace the common unit of account, operators develop billing rules, thus eliminating the need to negociate means of invoicing before each operation. [fre] Pour remplacer l'unité de compte commune manquante, les échangistes établissent des règles de facturation, évitant...

[eng] Our purpose is to understand the situation of France and Germany in the european market integration of agricultural and agro-food products during the eighthies. Do we observe a reinforcement of the specializations or, on the contrary, are the national productions more and more rival? To...

[eng] Between 1 960 and 1 978, gross overall farm income has hardly increased at all but a growing share of this income has to be set aside for capital accumulation in order to modernize production. Consequently, the disposable per farm income has increased little in spite of a massive off -farm...

[eng] Farm income stabilization: a central objective in US and EU agricultural policies - The main thesis of this paper is that overall support numbers tend to mask what is happening in US and EU support programs. American and European farmers are isolated from most income risk. PSE values are...

[eng] Direct support and extensification of production ; modelizing the effetcs of decoupling supports payments on cattle farms in Pays de la Loire . A mathematical programing model is built in order to measure the effects of « decoupling » cap compensation payments on three cattle farms in...

[fre] L'analyse des relations entre l'intensification et l'efficacité en agriculture est abordée ici à l'aide d'un modèle permettant de montrer que l'optimum au niveau de l'exploitation et le coût unitaire de production minimal ne sont pas nécessairement obtenus au même niveau...

[fre] Une« fonction de production d'ingénieur », qui fait appel à la fois à un simulateur de croissance de plantes et à de la programmation linéaire sous contrainte de risque, est utilisée pour analyser les conséquences de la réforme « Me Sharry » sur les revenus et sur...