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N° ISBN - 978-2-7380-1284-5 ; International audience ; The analyses mobilized costs conventional benefits for the evaluation ex ante of the feasibility of technical innovations in the agri-foodstuffs chains are criticized in their capacity to integrate the economic and environmental externalities that structure the development of the innovations. This communication proposes to undergo a methodology that puts in complementariness diagnoses, participating analyses multicriterion and investigations with actors of chains for the evaluation ex-ante of the feasibility of technical innovations different. The application is realised in different chains from processing of fruits in Latin America (Brazil, Costa Rica, Ecuador, Mexico). The results allow to characterize that the conditions of supplying in matera premium (fresh fruit) and the conditions of organization of the chains in the implementation of interactions between different actors; they are strategic elements of the feasibility. On the other hand they show the necessity to improve the methodologic picture proposed to activate "systems of chain innovations" that improve the processes of gobernancia of the technological directions in relation to their environmental impacts and social.

N° ISBN - 978-2-7380-1284-5 ; International audience ; The analyses mobilized costs conventional benefits for the evaluation ex ante of the feasibility of technical innovations in the agri-foodstuffs chains are criticized in their capacity to integrate the economic and environmental externalities that structure the development of the innovations. This communication proposes to undergo a methodology that puts in complementariness diagnoses, participating analyses multicriterion and investigations with actors of chains for the evaluation ex-ante of the feasibility of technical innovations different. The application is realised in different chains from processing of fruits in Latin America (Brazil, Costa Rica, Ecuador, Mexico). The results allow to characterize that the conditions of supplying in matera premium (fresh fruit) and the conditions of organization of the chains in the implementation of interactions between different actors; they are strategic elements of the feasibility. On the other hand they show the necessity to improve the methodologic picture proposed to activate "systems of chain innovations" that improve the processes of gobernancia of the technological directions in relation to their environmental impacts and social.