papier (3) Paper (3) Impact (3) Finance (3) Corporations (3) Finance (3) Prices (3) puits (2) spectacle (2) ressources (2) prix (2) politique (2) modèle (2) marché (2) analyse (2) politique de l'environnement (2) biocarburant (2) Dynamics (2) Context (2) Regulations (2) Regulations (2) Primary commodities (2) Rapeseed (2) Prices (2) Petroleum (2) Oils and fats (2) Motor fuels (2) Markets (2) Food industry and trade (2) Example (2)