session 7 -- value/ supply chains Flashcards
what is a sending system
it sends flows of material, energy or information
what is a spillover system?
affect/ affected by interaction between sending & receiving system
what is the main difference between one-one-one relationship and many to many?
one: only interactions among specific sending receiving, and spillover systems Many: more complex, also interaction among sending, receiving, spillover
synergy
the combined value and performance of two companies will the greater than the sum of the separate individual parts
what is a sustainable food value chain?
- is profitable throughout all of its stages - has broad benefits for society - has a positive or neutral impact
why do sustainable food supply/ value chains face trade-offs?
improving one dimension can negatively affect other dimensions
which food availability issues does food trade overcome?
production suitability and population density
countries ‘export’ their environemental footprint elsewhere, which 3?
land-use change, biodiversity loss, ecosystem degradation
what is telecoupling
socioeconomic and environmental interaction between coupled human and natural systems over distances
what is a food shed
links production, consumption and trade
what are the four main problems linked to trade
- increase GHG
- increased foodmiles
- exported land footprint
- market concentration
name two market concentration probelms
- corporate control over biosphere
- many retailers rely strongly on distributors
why transport long distances?
- feeding densily populated areas
- out of season variety
- competitive advantages
what do agents do in system?
they are descision making entities (facilitate or hinder)
