Assertion: scarcity | /r/UsedFor | refer to tangibility
Facets:
value: necessarily
type: MANNER
Source sentences:
text: Nor does scarcity necessarily refer to tangibility only, to the ability to physically manipulate the thing, or to the ability to perceive something with the senses; airspace and radio airwaves are intangible scarce goods and therefore potentially held as property and therefore priced, while fire is an example of a tangible good of potentially unlimited supply.