PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mankiw, in criticizing this passage, makes a fair point: the supposedly positive externalities of any public good do need to be carefully examined and analyzed, even for small values of contribution, and someone with a social science background, particularly economics, may be well-equipped to do so.
http://www.w3.org/ns/prov#wasQuotedFrom
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