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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Income elastic ??? means a change in income causes a bigger % change in demand, e.g. if income goes up 10%, and you spend 20% more on luxury good.
http://www.w3.org/ns/prov#wasQuotedFrom	economicshelp.org