| http://www.w3.org/ns/prov#value | - y a cost or benefit imposed on people other than the consumers and producers of a good or service ??? ??? ??? market economy an economic system that answers the what, how, and for whom questions using prices determined by the interaction of the forces of supply and demand ??? ??? ??? adam smith father of economics ??? ??? ??? laissez faire allow to act ??? ??? ??? invisible hand a phrase that expr
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