main index
P00: frame around
P01: olicognography
P03: infrastructures
wayout:contact
sustainableeconomics
logisticregressionmodels
demandaxioms
inelasticsupply
sectorsframework
monooligolies
elasticitiesformulas
indifferencecurves
savingsdecision
socialaccountingmatrix
jobcandidatessteps
consumptionspreads