VRML
housing feeds into health and population; population feeds
into labour;
labour feeds into food production and capital goods; capital
goods feeds
into consumption and capital; capital feeds into
consumption; life expect-
ancy feeds into health; health feeds into life expectancy;
education feeds
into life expectancy; population feeds into life expectancy;
life expect-
ency feeds into education; urbanization feeds into
education; education
feeds into transportation and job mobility; transportation
feeds into pol-
lution; housing drains resources; resources drain
population; health
drains day-care; sickness drains health; labour drains
resources; capital
drains labour; consumption drains surplus; surplus drains
expenditure; ex-
penditure drains goods; goods drains resources; resources
drains food
production; war drains food production; peace drains
surplus; war drains
life expectancy; mouth feeds into stomach; anus drains
stomach; intestine
feeds into anus; urethra drains bladder; semen feeds into
penis; mouth
feeds into vagina; vagina drains penis; penis feeds into
anus; knives feed
into flesh; flesh drains bullets; urbanization feeds into
bullets; bullets
drain population; education drains mouth; penis drains
peace; semen drains
life expectancy; death absorbs; life gives; art is long;
life is short.
(Clark and Cole, Global Simulation Models, A Comparative
Study, 1975.)
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