main index
P00: frame around
P01: olicognography
P03: infrastructures
wayout:contact
economicdownwardspiral
traderiskssectors
max.individualutility
consumptionsavings
learningpyramid
analysisinsociety
inequality
demandcontent
engineeringproduction
goodsservicescompl.
teendepression
incomeandhappyness
