estabilización del comercio mundial de cereales secundarios

accord commercial acuerdos comerciales buffer stocks cereales menores ciclo comercial coarse grains comercio comercio internacional commerce commerce international consommation consumo consumption economic stabilization economic structure existencias reguladoras exportaciones exportation exports importaciones importation imports international trade mercados mundiales monde mundo politique du commerce international production economics reglamentaciones regulations tendance tendencias trade trade agreements trade cycles trade policies transport transporte trends world world markets