About: http://webisa.webdatacommons.org/156756432

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	We can do all the math we want -- it will sort of work in its own terms, there are some rules of thumb, but in the end we have (in the US) forty years of essentially flat median income.
http://www.w3.org/ns/prov#wasQuotedFrom	project-syndicate.org