PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gold is a commodity and any real gains arise out of volatility, not income/earnings streamsUsing silver since 1900 as a proxy for gold price changes (silver can be even more volatile than gold, so not an ideal proxy - but in the absence of anything better)Arithmetic 6%, standard deviation 23.4%, Geometric 3.4%.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bogleheads.org