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Table 4 Criteria for classifying included studies

From: What are the socio-economic impacts of genetically modified crops worldwide? A systematic map protocol

Group Characteristics
Farm-level The study mainly focuses on the impacts of GM crops at farm-level without considering co-existence issues (see below).
Co-existence The study mainly focuses on the impacts of co-existence regulations
Supply chain The study mainly focuses on the impacts of GM crops on/ along the supply chain
Consumer level The study mainly focuses on the impacts of GM crops on consumers.
Environmental economics The study mainly focuses on the impacts on environmental economics aspects, including economic quantification of:
a) agro-biodiversity conservation
b) land use changes
c) climate change mitigation and production of renewable energy
d) others
Food security The study mainly focuses on the impacts on food security, including:
a) physical availability of food
b) economic and physical access to food
c) food utilization
d) stability of the other three dimensions over time
Mixed topics The study indistinctly focuses on two or more topics indicated above