About: http://webisa.webdatacommons.org/30490297

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	Gold is a commodity, like any other, and is currently in the midst of a speculative bubble, and it is this surge in speculation that has caused the apparent decline in US GDP that your chart displays.
http://www.w3.org/ns/prov#wasQuotedFrom	pricedingold.com