About: http://webisa.webdatacommons.org/71962916

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	The fictional decentralized markets of the textbook, like the frictionless plane in a vacuum used in physics, are a useful device for establishing a benchmark.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com