Si riportano le trascrizioni degli interventi tenuti durante la 3rd International Conference on Coexistence between Genetically Modified(GM) and non-GM based Agricultural Supply Chains, svoltasi a Siviglia nel Novembre del 2007. Si segnalano gli interventi:Economic impact of GM maize cultivation: room for coexistence costs (Gómez-Barbero, M. and E. Rodríguez-Cerezo);Modelling farmer's choice to evaluate GM and non-GM coexistence strategies at a territory level: case of maize production (Coléno F.C., F. Angevin and K. Adamczyk); The potential effects of coexistence on the European maize seed industry (Magnier, A. and N. Kalaitzandonakes); Economics of coexistence measures of GM and conventional crops: oilseed rape in Fife (Scotland) (Copeland, J.E. and E. Kasamb); Regulating spatial coexistence of GM and conventional oilseed rape in Central France (Demont, M., W. Daems, K. Dillen, et al.).