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↑ Beckmann, V., C. Soregaroli, J. Wesseler (2011): "Coexistence of genetically modified (GM) and non-modified (non GM) crops: Are the two main property rights regimes equivalent with respect to the coexistence value?" In Genetically modified food and global welfare edited by Colin Carter, GianCarlo Moschini and Ian Sheldon, pp 201–224. Volume 10 in Frontiers of Economics and Globalization Series. Bingley, UK: Emerald Group Publishing
