About: http://webisa.webdatacommons.org/274536555

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	Prices rise if there is a shortage but fall dramatically in times of domestic or worldwide surplus.
http://www.w3.org/ns/prov#wasQuotedFrom	nodpa.com