[fre] L'agriculture américaine est-elle plus productive que celle de l'Europe ? Une comparaison des productivités et des prix relatifs (1973 - 1989) . Entre 1973 et 1989 la production agricole a crû au même rythme aux Etats-Unis et dans la Communauté européenne. Le volume de la production...

[eng] Costs of production and income in wheat, fruit, pig and milk sector (RICA 1979-1991). . These data are estimated by a model and the evolution of the income of sectors are analysed according to the productivity and the prices of the inputs and the outputs. [fre] A partir d'un modèle,...

[eng] Economic situation of beef farms and reform of the CAP . The systems and the economic situation of beef farms are analysed by the data of RICA (1985-1991). The first effects of the reform of the CAP on these systems are then appreciated. [fre] Compte tenu du caractère peu rémunérateur...

[eng] Numerous index formulas can be derived from aggregator functions, which correspond to different assumptions about technology. They give different estimations of total factor productivity in the french agricultural sector between 1967 and 1985. We try here to explain these differences and...